vulnerability
Microsoft Windows: CVE-2025-24990: Windows Agere Modem Driver Elevation of Privilege Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Oct 14, 2025 | Oct 14, 2025 | May 8, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Oct 14, 2025
Added
Oct 14, 2025
Modified
May 8, 2026
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.
Solutions
microsoft-windows-windows_10-1507-kb5066837microsoft-windows-windows_10-1607-kb5066836microsoft-windows-windows_10-1809-kb5066586microsoft-windows-windows_10-21h2-kb5066791microsoft-windows-windows_10-22h2-kb5066791microsoft-windows-windows_11-22h2-kb5066793microsoft-windows-windows_11-23h2-kb5066793microsoft-windows-windows_11-24h2-kb5066835microsoft-windows-windows_11-25h2-kb5066835microsoft-windows-windows_server_2012-kb5066875microsoft-windows-windows_server_2012_r2-kb5066873microsoft-windows-windows_server_2016-1607-kb5066836microsoft-windows-windows_server_2019-1809-kb5066586microsoft-windows-windows_server_2022-21h2-kb5066782microsoft-windows-windows_server_2022-22h2-kb5066782microsoft-windows-windows_server_2022-23h2-kb5066780microsoft-windows-windows_server_2025-24h2-kb5066835
References
Rapid7 Labs
2026 Global Threat Landscape Report
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