Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited, publicly disclosed before the fix — Exploitation More Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could gain administrator privileges.
Is the vulnerability only exploitable if the Agere Modem is actively being used?
No. All supported versions of Windows can be affected by a successful exploitation of this vulnerability, even if the modem is not actively being used.
Security updates
10.0.26200.6899 — https://support.microsoft.com/help/5066835
10.0.17763.7919 — https://support.microsoft.com/help/5066586
10.0.20348.4294 — https://support.microsoft.com/help/5066782
10.0.19044.6456 — https://support.microsoft.com/help/5066791
10.0.22621.6060 — https://support.microsoft.com/help/5066793
10.0.25398.1913 — https://support.microsoft.com/help/5066780
10.0.10240.21161 — https://support.microsoft.com/help/5066837
10.0.14393.8519 — https://support.microsoft.com/help/5066836
6.0.6003.23571 — https://support.microsoft.com/help/5066874
6.0.6003.23571 — https://support.microsoft.com/help/5066877
6.1.7601.27974 — https://support.microsoft.com/help/5066872
6.1.7601.27974 — https://support.microsoft.com/help/5066876
6.2.9200.25722 — https://support.microsoft.com/help/5066875
6.3.9600.22824 — https://support.microsoft.com/help/5066873
Vulnerabilities 1
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High 7.8
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 cumulat…
Revision history
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#1
Information published.
References
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CVE-2025-24052 Windows Agere Modem Driver Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24052
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss