vulnerability
Microsoft Windows: CVE-2025-53134: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:S/C:C/I:C/A:C) | Aug 12, 2025 | Aug 12, 2025 | May 8, 2026 |
Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
Aug 12, 2025
Added
Aug 12, 2025
Modified
May 8, 2026
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Solutions
microsoft-windows-windows_10-1507-kb5063889microsoft-windows-windows_10-1607-kb5063871microsoft-windows-windows_10-1809-kb5063877microsoft-windows-windows_10-21h2-kb5063709microsoft-windows-windows_10-22h2-kb5063709microsoft-windows-windows_11-22h2-kb5063875microsoft-windows-windows_11-23h2-kb5063875microsoft-windows-windows_11-24h2-kb5063878microsoft-windows-windows_server_2012-kb5063906microsoft-windows-windows_server_2012_r2-kb5063950microsoft-windows-windows_server_2016-1607-kb5063871microsoft-windows-windows_server_2019-1809-kb5063877microsoft-windows-windows_server_2022-21h2-kb5063880microsoft-windows-windows_server_2022-22h2-kb5063880microsoft-windows-windows_server_2022-23h2-kb5063899microsoft-windows-windows_server_2025-24h2-kb5063878
References
Rapid7 Labs
2026 Global Threat Landscape Report
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