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Unrated severityNVD Advisory· Published Oct 14, 2025· Updated Feb 26, 2026

Windows Agere Modem Driver Elevation of Privilege Vulnerability

CVE-2025-24052

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
  • Microsoft/Windowsllm-fuzzy
    Range: October cumulative update (removal of ltmdm64.sys)
  • Microsoft/Windows 10 1909cpe-rescue
    Range: 10.0.10240.0
  • Microsoft/Windows 10 1607cpe-rescue3 versions
    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
  • Microsoft/Windows 10 1809cpe-rescue
    Range: 10.0.17763.0
  • Microsoft/Windows 11 23h2cpe-rescue2 versions
    10.0.22621.0+ 1 more
    • (no CPE)range: 10.0.22621.0
    • (no CPE)range: 10.0.22631.0
  • Microsoft/Windows 11 24h2cpe-rescue
    Range: 10.0.26100.0
  • Microsoft/Windows 11 25h2cpe-rescue
    Range: 10.0.26200.0
  • Microsoft/Windows Server 2008cpe-rescue2 versions
    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)v5
    Range: 6.1.7601.0
  • Microsoft/Windows Server 2008 Service Pack 2 (Server Core installation)v5
    Range: 6.0.6003.0
  • Microsoft/Windows Server 2012cpe-rescue2 versions
    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)v5
    Range: 6.3.9600.0
  • Microsoft/Windows Server 2012 (Server Core installation)v5
    Range: 6.2.9200.0
  • Microsoft/Windows Server 2016cpe-rescue
    Range: 10.0.14393.0
  • Microsoft/Windows Server 2016 (Server Core installation)v5
    Range: 10.0.14393.0
  • Microsoft/Windows Server 2019cpe-rescue
    Range: 10.0.17763.0
  • Microsoft/Windows Server 2019 (Server Core installation)v5
    Range: 10.0.17763.0
  • Microsoft/Windows Server 2003cpe-rescue
    Range: 10.0.20348.0
  • Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5
    Range: 10.0.25398.0
  • Microsoft/Windows Server 2025cpe-rescue
    Range: 10.0.26100.0
  • Microsoft/Windows Server 2025 (Server Core installation)v5
    Range: 10.0.26100.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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