Vulnerability details

CVE-2025-62213

Microsoft Windows 10Microsoft Windows 11Microsoft Windows Server

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

CVSS 3.1
7.0High

Official description

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS scores

ScoreVersionSourceVector
7.0High 3.1 CVEProject cvelistV5 (CNA) (microsoft) CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected products

VendorProductVersionsSource
Microsoft Windows 10 Version 1607 10.0.14393.0 ≤ v < 10.0.14393.8594 CVEProject cvelistV5 (CNA)
Microsoft Windows 10 Version 1809 10.0.17763.0 ≤ v < 10.0.17763.8027 CVEProject cvelistV5 (CNA)
Microsoft Windows 10 Version 21H2 10.0.19044.0 ≤ v < 10.0.19044.6575 CVEProject cvelistV5 (CNA)
Microsoft Windows 10 Version 22H2 10.0.19045.0 ≤ v < 10.0.19045.6575 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 Version 24H2 10.0.26100.0 ≤ v < 10.0.26100.7171 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 Version 25H2 10.0.26200.0 ≤ v < 10.0.26200.7171 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 version 22H3 10.0.22631.0 ≤ v < 10.0.22631.6199 CVEProject cvelistV5 (CNA)
Microsoft Windows 11 version 23H2 10.0.22631.0 ≤ v < 10.0.22631.6199 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ≤ v < 6.1.7601.28021 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ≤ v < 6.1.7601.28021 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ≤ v < 6.0.6003.23624 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ≤ v < 6.0.6003.23624 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2012 6.2.9200.0 ≤ v < 6.2.9200.25768 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ≤ v < 6.2.9200.25768 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2012 R2 6.3.9600.0 ≤ v < 6.3.9600.22869 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ≤ v < 6.3.9600.22869 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2016 10.0.14393.0 ≤ v < 10.0.14393.8594 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ≤ v < 10.0.14393.8594 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2019 10.0.17763.0 ≤ v < 10.0.17763.8027 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ≤ v < 10.0.17763.8027 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2022 10.0.20348.0 ≤ v < 10.0.20348.4405 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ≤ v < 10.0.25398.1965 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2025 10.0.26100.0 ≤ v < 10.0.26100.7171 CVEProject cvelistV5 (CNA)
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ≤ v < 10.0.26100.7171 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2025-11-11
Last updated
2026-02-26
State
Published
Assigner (CNA)
microsoft

Exploit prediction (EPSS)

1.72%
Probability of exploitation in 30 days
77.6%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-416
    Use After Free