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Known Exploited Vulnerability
7.8
HIGH CVSS 3.1
CVE-2025-30400
Microsoft Windows DWM Core Library Use-After-Free Vulnerability - [Actively Exploited]
Description

Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.

INFO

Published Date :

May 13, 2025, 5:16 p.m.

Last Modified :

Oct. 27, 2025, 5:13 p.m.

Remotely Exploit :

No

Source :

[email protected]
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 DWM Core Library contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-30400 ; https://nvd.nist.gov/vuln/detail/CVE-2025-30400

Affected Products

The following products are affected by CVE-2025-30400 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_2019
2 Microsoft windows_10_1809
3 Microsoft windows_10_21h2
4 Microsoft windows_10_22h2
5 Microsoft windows_server_2022
6 Microsoft windows_11_22h2
7 Microsoft windows_11_23h2
8 Microsoft windows_server_2022_23h2
9 Microsoft windows_server_23h2
10 Microsoft windows_11_24h2
11 Microsoft windows_server_2025
: Total Affected Vendor : 1 | Products : 11
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Patch Windows DWM to fix use after free vulnerability for privilege escalation.
  • Apply Windows security updates.
  • Verify DWM is updated to the latest version.
Public PoC/Exploit Available at Github

CVE-2025-30400 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2025-30400.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400 US Government Resource
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-30400 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-2025-30400 weaknesses.

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
giriaryan694-a11y/exposed-win-zero-days

A research-focused archive of publicly disclosed Windows zero-day vulnerabilities. This project summarizes CVEs, disclosure timelines, vendor advisories, and defensive mitigations. ⚠️ No exploit code included — educational and defensive use only.

cve cybersecurity infosec security-research threat-intelligence vulnerabilities windows zero-day

HTML

Updated: 1 month, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Aug. 28, 2025, 1:31 a.m. This repo has been linked 13 different CVEs too.
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hackermexico/chacal

Chacal Crasher - es un sistema que intenta afectar CVE remotos actuales para crashear la plataforma remota sería lo que antes llamaban NUKER moderno.

Python

Updated: 2 months, 2 weeks ago
1 stars 0 fork 0 watcher
Born at : Aug. 12, 2025, 9:14 p.m. This repo has been linked 7 different CVEs too.
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encrypter15/CVE-2025-30400

None

Python

Updated: 5 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : May 23, 2025, 3:39 p.m. This repo has been linked 1 different CVEs too.
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Shasheen8/agent-Bando

Light Weight Query SOC Agent

Python CSS HTML

Updated: 5 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : May 19, 2025, 3:38 a.m. This repo has been linked 2 different CVEs too.
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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: 2 months ago
2 stars 1 fork 1 watcher
Born at : Oct. 29, 2024, 10:19 a.m. This repo has been linked 206 different CVEs too.
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nomi-sec/PoC-in-GitHub

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 5 days, 21 hours ago
7345 stars 1210 fork 1210 watcher
Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 837 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-2025-30400 vulnerability anywhere in the article.

  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 05, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 04, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 04, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 04, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 04, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 04, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 3 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 03, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 02, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 02, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 02, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 02, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 02, 2025 (4 months, 4 weeks ago)
  • CrowdStrike.com
May 2025 Patch Tuesday: Five Zero-Days and Five Critical Vulnerabilities Among 72 CVEs

Microsoft has addressed 72 vulnerabilities in its May 2025 security update release. This month's patches include fixes for five actively exploited zero-day vulnerabilities, including a zero-day vulner ... Read more

Published Date: Jun 02, 2025 (4 months, 4 weeks ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-30400 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.

  • Modified Analysis by [email protected]

    Oct. 27, 2025

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19044.5854 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19045.5854 *cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22621.5335 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22631.5335 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4061 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.3692 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.1611 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4061 OR *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19044.5854 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19045.5854 *cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22621.5335 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22631.5335 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.3692 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.1611 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.3981 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.3981
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400 Types: US Government Resource
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Removed Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 21, 2025

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30400
  • Initial Analysis by [email protected]

    May. 16, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19044.5854 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19045.5854 *cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22621.5335 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22631.5335 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4061 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.7314 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.3692 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.1611 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4061
    Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400 Types: Vendor Advisory
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    May. 14, 2025

    Action Type Old Value New Value
    Added Date Added 2025-05-13
    Added Due Date 2025-06-03
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name Microsoft Windows DWM Core Library Use-After-Free Vulnerability
  • New CVE Received by [email protected]

    May. 13, 2025

    Action Type Old Value New Value
    Added Description Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-416
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30400
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.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact