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OpenAdvisories
High MSRC-CVE-2025-49762 1 CVE

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Published Aug 12, 2025 · Updated Aug 12, 2025

Vendor: Microsoft

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.

Security updates
10.0.17763.7678 — https://support.microsoft.com/help/5063877
10.0.20348.4052 — https://support.microsoft.com/help/5063880
10.0.20348.3989 — https://support.microsoft.com/help/5063812
10.0.19044.6216 — https://support.microsoft.com/help/5063709
10.0.22621.5768 — https://support.microsoft.com/help/5063875
10.0.26100.4946 — https://support.microsoft.com/help/5063878
10.0.26100.4851 — https://support.microsoft.com/help/5064010
10.0.25398.1791 — https://support.microsoft.com/help/5063899
10.0.10240.21100 — https://support.microsoft.com/help/5063889
10.0.14393.8330 — https://support.microsoft.com/help/5063871
6.0.6003.23471 — https://support.microsoft.com/help/5063888
6.0.6003.23471 — https://support.microsoft.com/help/5063948
6.1.7601.27872 — https://support.microsoft.com/help/5063947
6.1.7601.27872 — https://support.microsoft.com/help/5063927
6.2.9200.25622 — https://support.microsoft.com/help/5063906
6.3.9600.22725 — https://support.microsoft.com/help/5063950

Vulnerabilities 1

Revision history

  1. #1

    Information published.

References