CVE-2025-24052: Windows Agere Modem Driver Elevation of Privilege Vulnerability
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.
Other sources
Windows Agere Modem Driver Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-24052?
CVE-2025-24052 has been classified as a moderate severity vulnerability.
How do I fix CVE-2025-24052?
To fix CVE-2025-24052, ensure that you install the latest cumulative updates available for your affected Windows operating system.
What products are affected by CVE-2025-24052?
CVE-2025-24052 affects several Microsoft Windows products, including Windows Server 2008, Windows Server 2012, Windows 10, and Windows 11.
Is the ltmdm64.sys driver related to CVE-2025-24052?
Yes, CVE-2025-24052 is specifically related to the removal of the ltmdm64.sys driver in the October cumulative update.
What should I do if I cannot remove the ltmdm64.sys driver?
If you are unable to remove the ltmdm64.sys driver, seek assistance through Microsoft's support channels for guidance.