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Known Exploited Vulnerability
7.8
HIGH CVSS 3.1
CVE-2025-24990
Microsoft Windows Untrusted Pointer Dereference Vulnerability - [Actively Exploited]
Description

Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware dependent on this specific driver will no longer work on Windows. Microsoft recommends removing any existing dependencies on this hardware.

INFO

Published Date :

Oct. 14, 2025, 5:15 p.m.

Last Modified :

Oct. 15, 2025, 1 a.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 Agere Modem Driver contains an untrusted pointer dereference vulnerability that allows for privilege escalation. An attacker who successfully exploited this vulnerability could gain administrator privileges.

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-2025-24990 ; https://nvd.nist.gov/vuln/detail/CVE-2025-24990

Affected Products

The following products are affected by CVE-2025-24990 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_2012
2 Microsoft windows_server_2016
3 Microsoft windows_server_2019
4 Microsoft windows_10_1607
5 Microsoft windows_10_1809
6 Microsoft windows_10_21h2
7 Microsoft windows_10_22h2
8 Microsoft windows_server_2022
9 Microsoft windows_11_22h2
10 Microsoft windows_10_1507
11 Microsoft windows_11_23h2
12 Microsoft windows_server_23h2
13 Microsoft windows_server_2012_r2
14 Microsoft windows_server_2008_r2
15 Microsoft windows_server_2008_sp2
16 Microsoft windows_11_24h2
17 Microsoft windows_server_2025
18 Microsoft windows_11_2h2
: Total Affected Vendor : 1 | Products : 18
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 f38d906d-7342-40ea-92c1-6c4a2c6478c8
CVSS 3.1 HIGH [email protected]
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-2025-24990.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-24990 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-2025-24990 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).

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

The following list is the news that have been mention CVE-2025-24990 vulnerability anywhere in the article.

  • security.nl
Microsoft verhelpt drie actief aangevallen kwetsbaarheden in Windows

Tijdens de patchdinsdag van oktober, en laatste reguliere patchronde van Windows 10, heeft Microsoft 177 nieuwe kwetsbaarheden verholpen, waaronder drie actief aangevallen beveiligingslekken. Via twee ... Read more

Published Date: Oct 15, 2025 (1 hour, 11 minutes ago)
  • CrowdStrike.com
October 2025 Patch Tuesday: Two Publicly Disclosed, Three Zero-Days, and Eight Critical Vulnerabilities Among 172 CVEs

Microsoft has addressed 172 vulnerabilities in its October 2025 security update release, marking the highest number of vulnerabilities patched in a single month this year. This month's patches address ... Read more

Published Date: Oct 15, 2025 (1 hour, 48 minutes ago)
  • krebsonsecurity.com
Patch Tuesday, October 2025 ‘End of 10’ Edition

Microsoft today released software updates to plug a whopping 172 security holes in its Windows operating systems, including at least two vulnerabilities that are already being actively exploited. Octo ... Read more

Published Date: Oct 14, 2025 (9 hours, 48 minutes ago)
  • The Register
Frightful Patch Tuesday gives admins a scare with 175+ Microsoft CVEs, 3 under attack

Spooky season is in full swing, and this extends to Microsoft's October Patch Tuesday with security updates for a frightful 175 Microsoft vulnerabilities, plus an additional 21 non-Microsoft CVEs. And ... Read more

Published Date: Oct 14, 2025 (10 hours, 16 minutes ago)
  • The Cyber Express
Patch Tuesday October 2025: Three Zero-days Under Attack

Microsoft’s Patch Tuesday October 2025 included fixes for 175 vulnerabilities, including three exploited zero-days and 13 additional high-risk vulnerabilities. The three zero-days under attack were qu ... Read more

Published Date: Oct 14, 2025 (12 hours, 51 minutes 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-2025-24990 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.

  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Oct. 15, 2025

    Action Type Old Value New Value
    Added Date Added 2025-10-14
    Added Due Date 2025-11-04
    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 Untrusted Pointer Dereference Vulnerability
  • New CVE Received by [email protected]

    Oct. 14, 2025

    Action Type Old Value New Value
    Added Description Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver has been removed in the October cumulative update. Fax modem hardware dependent on this specific driver will no longer work on Windows. Microsoft recommends removing any existing dependencies on this hardware.
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-822
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990
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