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7.8 High Exploited

CVE-2025-24990 Microsoft Windows Untrusted Pointer Dereference Vulnerability

Active exploitation observed

· CISA KEV catalogue
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.
Ransomware campaigns Not observed so far
Weakness CWE-822

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 and versions

Product Affected versions Fixed in
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.6899 10.0.26200.6899
Windows 10 Version 1809 10.0 10.0.17763.0 → < 10.0.17763.7919 10.0.17763.7919
Windows Server 2019 10.0 10.0.17763.0 → < 10.0.17763.7919 10.0.17763.7919
Windows Server 2019 (Server Core installation) 10.0 10.0.17763.0 → < 10.0.17763.7919 10.0.17763.7919
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.4294 10.0.20348.4294
Windows 10 Version 21H2 10.0 10.0.19044.0 → < 10.0.19044.6456 10.0.19044.6456
Windows 11 version 22H2 10.0 10.0.22621.0 → < 10.0.22621.6060 10.0.22621.6060
Windows 10 Version 22H2 10.0 10.0.19045.0 → < 10.0.19045.6456 10.0.19045.6456
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.6899 10.0.26100.6899
Show the 16 other branches
Product Affected versions Fixed in
Windows 11 Version 23H2 10.0 10.0.22631.0 → < 10.0.22631.6060 10.0.22631.6060
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 10.0.25398.0 → < 10.0.25398.1913 10.0.25398.1913
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.6899 10.0.26100.6899
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.6899 10.0.26100.6899
Windows 10 Version 1507 10.0 10.0.10240.0 → < 10.0.10240.21161 10.0.10240.21161
Windows 10 Version 1607 10.0 10.0.14393.0 → < 10.0.14393.8519 10.0.14393.8519
Windows Server 2016 10.0 10.0.14393.0 → < 10.0.14393.8519 10.0.14393.8519
Windows Server 2016 (Server Core installation) 10.0 10.0.14393.0 → < 10.0.14393.8519 10.0.14393.8519
Windows Server 2008 Service Pack 2 6.0 6.0.6003.0 → < 6.0.6003.23571 6.0.6003.23571
Windows Server 2008 Service Pack 2 (Server Core installation) 6.0 6.0.6003.0 → < 6.0.6003.23571 6.0.6003.23571
Windows Server 2008 R2 Service Pack 1 6.1 6.1.7601.0 → < 6.1.7601.27974 6.1.7601.27974
Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1 6.1.7601.0 → < 6.1.7601.27974 6.1.7601.27974
Windows Server 2012 6.2 6.2.9200.0 → < 6.2.9200.25722 6.2.9200.25722
Windows Server 2012 (Server Core installation) 6.2 6.2.9200.0 → < 6.2.9200.25722 6.2.9200.25722
Windows Server 2012 R2 6.3 6.3.9600.0 → < 6.3.9600.22824 6.3.9600.22824
Windows Server 2012 R2 (Server Core installation) 6.3 6.3.9600.0 → < 6.3.9600.22824 6.3.9600.22824

References

Timeline

  1. Published
  2. Added to the KEV catalogue
  3. Last modified

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