CVE-2025-62217

HIGH

Windows 10/11, Server 2008-2016 Privilege Escalation via AFD Race Condition

Title source: llm

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory patch

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62217

Scores

CVSS v3 7.0

EPSS 0.0025

EPSS Percentile 16.3%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-362

Status published

Products (16)

microsoft/windows_10_1607 < 10.0.14393.8594 (2 CPE variants)

microsoft/windows_10_1809 < 10.0.17763.8027 (2 CPE variants)

microsoft/windows_10_21h2 < 10.0.19044.6575

microsoft/windows_10_22h2 < 10.0.19045.6575

microsoft/windows_11_23h2 < 10.0.22631.6199

microsoft/windows_11_24h2 < 10.0.26100.7092

microsoft/windows_11_25h2 < 10.0.26200.7092

microsoft/windows_server_2008 (2 CPE variants)

microsoft/windows_server_2008 r2 sp1

microsoft/windows_server_2012

... and 6 more

Published Nov 11, 2025

Tracked Since Feb 18, 2026