CVE-2025-53134

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.

Reserved 2025-06-26 | Published 2025-08-12 | Updated 2025-08-12 | Assigner microsoft

Problem types

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Product status

10.0.17763.0 before 10.0.17763.7678
affected

10.0.17763.0 before 10.0.17763.7678
affected

10.0.17763.0 before 10.0.17763.7678
affected

10.0.20348.0 before 10.0.20348.4052
affected

10.0.19044.0 before 10.0.19044.6216
affected

10.0.22621.0 before 10.0.22621.5768
affected

10.0.19045.0 before 10.0.19045.6216
affected

10.0.26100.0 before 10.0.26100.4946
affected

10.0.22631.0 before 10.0.22631.5768
affected

10.0.22631.0 before 10.0.22631.5768
affected

10.0.25398.0 before 10.0.25398.1791
affected

10.0.26100.0 before 10.0.26100.4946
affected

10.0.26100.0 before 10.0.26100.4946
affected

10.0.10240.0 before 10.0.10240.21100
affected

10.0.14393.0 before 10.0.14393.8330
affected

10.0.14393.0 before 10.0.14393.8330
affected

10.0.14393.0 before 10.0.14393.8330
affected

6.0.6003.0 before 6.0.6003.23471
affected

6.0.6003.0 before 6.0.6003.23471
affected

6.0.6003.0 before 6.0.6003.23471
affected

6.1.7601.0 before 6.1.7601.27872
affected

6.1.7601.0 before 6.1.7601.27872
affected

6.2.9200.0 before 6.2.9200.25622
affected

6.2.9200.0 before 6.2.9200.25622
affected

6.3.9600.0 before 6.3.9600.22725
affected

6.3.9600.0 before 6.3.9600.22725
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53134 (Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability) vendor-advisory

cve.org (CVE-2025-53134)

nvd.nist.gov (CVE-2025-53134)

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