Unrated severityCISA KEVNVD Advisory· Published Oct 14, 2025· Updated Feb 26, 2026
Windows Agere Modem Driver Elevation of Privilege Vulnerability
CVE-2025-24990
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.
Affected products
26- Range: 10.0.10240.0
10.0.14393.0+ 2 more
- (no CPE)range: 10.0.14393.0
- (no CPE)range: 10.0.19044.0
- (no CPE)range: 10.0.19045.0
- Range: 10.0.17763.0
10.0.22621.0+ 1 more
- (no CPE)range: 10.0.22621.0
- (no CPE)range: 10.0.22631.0
- Range: 10.0.26100.0
- Range: 10.0.26200.0
6.1.7601.0+ 1 more
- (no CPE)range: 6.1.7601.0
- (no CPE)range: 6.0.6003.0
- Microsoft/Windows Server 2008 R2 Service Pack 1 (Server Core installation)v5Range: 6.1.7601.0
- Microsoft/Windows Server 2008 Service Pack 2 (Server Core installation)v5Range: 6.0.6003.0
6.2.9200.0+ 1 more
- (no CPE)range: 6.2.9200.0
- (no CPE)range: 6.3.9600.0
- Microsoft/Windows Server 2012 R2 (Server Core installation)v5Range: 6.3.9600.0
- Microsoft/Windows Server 2012 (Server Core installation)v5Range: 6.2.9200.0
- Range: 10.0.14393.0
- Microsoft/Windows Server 2016 (Server Core installation)v5Range: 10.0.14393.0
- Range: 10.0.17763.0
- Microsoft/Windows Server 2019 (Server Core installation)v5Range: 10.0.17763.0
- Range: 10.0.20348.0
- Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5Range: 10.0.25398.0
- Range: 10.0.26100.0
- Microsoft/Windows Server 2025 (Server Core installation)v5Range: 10.0.26100.0
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24990mitrevendor-advisorypatch
News mentions
0No linked articles in our index yet.