VDB

CVE-2025-62213

CVE-2025-62213 PUBLISHED CVSS 7 HIGH

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Reported by microsoft · Published November 11, 2025

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

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
Windows 10 Version 1607Microsoft10.0.14393.8594
Windows Server 2008 Service Pack 2Microsoft6.0.6003.23624
Windows Server 2019 (Server Core installation)Microsoft10.0.17763.8027
windows_10_21h2microsoft10.0.19044.6575
Windows Server 2022Microsoft10.0.20348.4405
Windows Server 2012 R2 (Server Core installation)Microsoft6.3.9600.22869

Risk scores

CVSS 3.1
7
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

VendorProductVersions
MicrosoftWindows 10 Version 160710.0.14393.0
MicrosoftWindows 10 Version 180910.0.17763.0
MicrosoftWindows 10 Version 21H210.0.19044.0
MicrosoftWindows 10 Version 22H210.0.19045.0
MicrosoftWindows 11 version 22H310.0.22631.0
MicrosoftWindows 11 Version 23H210.0.22631.0
MicrosoftWindows 11 Version 24H210.0.26100.0
MicrosoftWindows 11 Version 25H210.0.26200.0
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0
MicrosoftWindows Server 20126.2.9200.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0
MicrosoftWindows Server 2012 R26.3.9600.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0
MicrosoftWindows Server 201610.0.14393.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0

…and 44 more

Timeline

  • Nov 11, 2025 CVE Published
  • Nov 11, 2025 PoC Published (2 in total, the first dated here)
  • Nov 12, 2025 EPSS Score (30 in total, the first dated here)
  • Feb 26, 2026 CVE Updated
  • Mar 11, 2026 Security Advisory (44 in total, the first dated here)
  • Mar 26, 2026 Coalition ESS Score (2 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2025-62213
vulnetix vdb fixes CVE-2025-62213

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2025-62213/fixes/registry"

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References

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