Known Exploited Vulnerability
7.8
HIGH
CVE-2025-21418
Microsoft Windows Ancillary Function Driver for Wi - [Actively Exploited]
Description

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

INFO

Published Date :

Feb. 11, 2025, 6:15 p.m.

Last Modified :

Feb. 12, 2025, 6:14 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

Required Action :

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes :

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21418

Public PoC/Exploit Available at Github

CVE-2025-21418 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2025-21418 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_server_2008
2 Microsoft windows_server_2012
3 Microsoft windows_server_2016
4 Microsoft windows_server_2019
5 Microsoft windows_10_1607
6 Microsoft windows_10_1809
7 Microsoft windows_10_21h2
8 Microsoft windows_10_22h2
9 Microsoft windows_server_2022
10 Microsoft windows_11_22h2
11 Microsoft windows_10_1507
12 Microsoft windows
13 Microsoft windows_11_23h2
14 Microsoft windows_server_2022_23h2
15 Microsoft windows_server_23h2
16 Microsoft windows_server_2012_r2
17 Microsoft windows_server_2008_r2
18 Microsoft windows_server_2008_sp2
19 Microsoft windows_11_24h2
20 Microsoft windows_server_2025
: Total Affected Vendor : 1 | Products : 20
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-21418.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418 Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
ums91/CISA_BOT

CISA Bot is a GitHub bot that automatically monitors the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. When new vulnerabilities are published in the KEV, the bot creates GitHub issues in this repository with detailed information about each vulnerability.

Python

Updated: 1 week ago
2 stars 0 fork 0 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 191 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-21418 vulnerability anywhere in the article.

  • tripwire.com
Tripwire Patch Priority Index for February 2025

Tripwire's February 2025 Patch Priority Index (PPI) brings together important vulnerabilities for Microsoft.Up first on the list are patches for Microsoft Edge (Chromium-based) that resolve 4 remote c ... Read more

Published Date: Mar 05, 2025 (4 months, 4 weeks ago)
CVE-2025-24042 CVE-2025-24039 CVE-2025-24036 CVE-2025-21420 CVE-2025-21419 CVE-2025-21418 CVE-2025-21414 CVE-2025-21410 CVE-2025-21407 CVE-2025-21406 ...+48 more CVE
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 27, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 27, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 27, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 27, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 27, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 26, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 25, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 25, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 25, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 25, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 25, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 25, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 25, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 24, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 24, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 24, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 24, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 24, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 24, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 23, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 23, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 23, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 23, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 23, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 23, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 22, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 22, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 22, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 22, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 22, 2025 (5 months, 1 week ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 21, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 21, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 21, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 21, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 21, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 21, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 20, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 20, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 20, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 20, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • Cyber Security News
Windows Disk Cleanup Tool Vulnerability Exploited to Gain SYSTEM Privileges

Microsoft has addressed a critical vulnerability in the Windows Disk Cleanup Tool (cleanmgr.exe) in the February 2025 Patch Tuesday security updates. Tracked as CVE-2025-21420, the vulnerability has a ... Read more

Published Date: Feb 20, 2025 (5 months, 2 weeks ago)
CVE-2024-12284 CVE-2025-21420 CVE-2025-21418 CVE-2025-21391 CVE-2025-21377 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 20, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 19, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 19, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 19, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 19, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 19, 2025 (5 months, 2 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • The Cyber Express
Microsoft Patch Tuesday for February Includes Two Zero Days Under Attack

Microsoft’s Patch Tuesday for February 2025 fixes four zero-day vulnerabilities, including two under active attack, plus another eight flaws judged to be at high risk of attack. In all, the Patch Tues ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21420 CVE-2025-21419 CVE-2025-21418 CVE-2025-21414 CVE-2025-21400 CVE-2025-21391 CVE-2025-21377 CVE-2025-21376 CVE-2025-21367 CVE-2025-21358 ...+10 more CVE
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • The Hacker News
Microsoft’s Patch Tuesday Fixes 63 Flaws, Including Two Under Active Exploitation

Patch Tuesday / Vulnerability Microsoft on Tuesday released fixes for 63 security flaws impacting its software products, including two vulnerabilities that it said has come under active exploitation i ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21377 CVE-2025-21376 CVE-2025-21198 CVE-2025-24200 CVE-2024-38193 CVE-2024-21338
  • CrowdStrike.com
February 2025 Patch Tuesday: Four Zero-Days and Three Critical Vulnerabilities Among 67 CVEs

Microsoft has released security updates for 67 vulnerabilities in its February 2025 Patch Tuesday rollout. Among these are three Critical vulnerabilities and four zero-days affecting the Windows NTLMv ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194
  • security.nl
Microsoft dicht misbruikte Windows-lekken en 'wormable' LDAP-kwetsbaarheid

Tijdens de patchdinsdag van februari heeft Microsoft twee actief misbruikte kwetsbaarheden in Windows verholpen, alsmede een beveiligingslek dat vooralsnog niet is misbruikt, maar wat een computerworm ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21376
  • krebsonsecurity.com
Microsoft Patch Tuesday, February 2025 Edition

Microsoft today issued security updates to fix at least 56 vulnerabilities in its Windows operating systems and supported software, including two zero-day flaws that are being actively exploited. All ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21377 CVE-2025-24200 CVE-2024-38193
  • The Register
February's Patch Tuesday sees Microsoft offer just 63 fixes

Patch Tuesday Microsoft’s February patch collection is mercifully smaller than January’s mega-dump. But don't get too relaxed – some deserve close attention, and other vendors have stepped in with ple ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21198 CVE-2025-21194 CVE-2025-21177
  • TheCyberThrone
CISA Adds Microsoft and Zyxel Vulnerabilities to KEV Catalog

On February 11, 2025, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) added four vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog. These vulnerabilities, associate ... Read more

Published Date: Feb 12, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-24200 CVE-2024-40891 CVE-2024-40890 CVE-2025-25064 CVE-2025-21293
  • Dark Reading
Microsoft's February Patch a Lighter Lift Than January's

Source: Somphop Krittayaworagul via ShutterstockMicrosoft's February security update contains substantially fewer vulnerabilities for admins to address compared to a month ago, but there's still plent ... Read more

Published Date: Feb 11, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21381 CVE-2025-21379 CVE-2025-21377 CVE-2025-21376 CVE-2025-21198 CVE-2025-21194 CVE-2025-21177
  • tripwire.com
VERT Threat Alert: February 2025 Patch Tuesday Analysis

Today’s VERT Alert addresses Microsoft’s February 2025 Security Updates. VERT is actively working on coverage for these vulnerabilities and expects to ship ASPL-1143 as soon as coverage is completed.I ... Read more

Published Date: Feb 11, 2025 (5 months, 3 weeks ago)
CVE-2025-24042 CVE-2025-24039 CVE-2025-24036 CVE-2025-21420 CVE-2025-21419 CVE-2025-21418 CVE-2025-21414 CVE-2025-21410 CVE-2025-21407 CVE-2025-21406 ...+131 more CVE
  • Help Net Security
Microsoft fixes two actively exploited zero-days (CVE-2025-21418, CVE-2025-21391)

February 2025 Patch Tuesday is here, and Microsoft has delivered fixes for 56 vulnerabilities, including two zero-days – CVE-2025-21418 and CVE-2025-21391 – under active exploitation. CVE-2025-21418 a ... Read more

Published Date: Feb 11, 2025 (5 months, 3 weeks ago)
CVE-2025-21418 CVE-2025-21391 CVE-2025-21377 CVE-2025-21376 CVE-2025-21194 CVE-2025-24200 CVE-2024-38193
  • BleepingComputer
Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws

Today is Microsoft's February 2025 Patch Tuesday, which includes security updates for 55 flaws, including four zero-day vulnerabilities, with two actively exploited in attacks. This Patch Tuesday also ... Read more

Published Date: Feb 11, 2025 (5 months, 3 weeks ago)
CVE-2025-24042 CVE-2025-24039 CVE-2025-24036 CVE-2025-21420 CVE-2025-21419 CVE-2025-21418 CVE-2025-21414 CVE-2025-21410 CVE-2025-21407 CVE-2025-21406 ...+57 more CVE

The following table lists the changes that have been made to the CVE-2025-21418 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 12, 2025

    Action Type Old Value New Value
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.10240.20915 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.10240.20915 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.6893 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.6893 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19044.5487 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19045.5487 *cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22621.4890 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22631.4890 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.3194 *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.6893 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.3207 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.1425 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.26100.3194
    Changed Reference Type https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418 No Types Assigned https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418 Patch, Vendor Advisory
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Feb. 12, 2025

    Action Type Old Value New Value
    Added Date Added 2025-02-11
    Added Due Date 2025-03-04
    Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow Vulnerability
  • New CVE Received by [email protected]

    Feb. 11, 2025

    Action Type Old Value New Value
    Added Description Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-122
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21418
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-21418 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-21418 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: