CVE-2025-24990
Windows Agere Modem Driver Elevation of Privilege Vulnerability
Microsoft Windows Untrusted Pointer Dereference Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24990 ; https://nvd.nist.gov/vuln/detail/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.
Severity
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 to <10.0.10240.21161 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 to <10.0.14393.8519 |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 to <10.0.17763.7919 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 to <10.0.19044.6456 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 to <10.0.19045.6456 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to <10.0.22621.6060 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 to <10.0.22631.6060 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 to <10.0.26100.6899 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 to <10.0.26200.6899 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 to <6.1.7601.27974 |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 to <6.1.7601.27974 |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 to <6.0.6003.23571 |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 to <6.0.6003.23571 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 to <6.2.9200.25722 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to <6.2.9200.25722 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to <6.3.9600.22824 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to <6.3.9600.22824 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 to <10.0.14393.8519 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to <10.0.14393.8519 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to <10.0.17763.7919 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to <10.0.17763.7919 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to <10.0.20348.4294 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to <10.0.25398.1913 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 to <10.0.26100.6899 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 to <10.0.26100.6899 |
References
3 LinksRecord Details
More from Microsoft
Microsoft Remote Desktop Services Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
Related Tool Categories
Tool categories that test for or protect against this vulnerability class.
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.