Vulnerability Intelligence

CVE-2026-50349

High 7.0

Published
Last modified
NVD status
Analyzed

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.

Affected products

microsoft: windows 10 1607; microsoft: windows 10 1809; microsoft: windows 10 21h2; microsoft: windows 10 22h2; microsoft: windows 11 23h2; microsoft: windows 11 24h2; microsoft: windows 11 25h2; microsoft: windows 11 26h1; microsoft: windows server 2012; microsoft: windows server 2016; microsoft: windows server 2019; microsoft: windows server 2022; microsoft: windows server 2025

References1

Metrics

CVSS 3.1
7.0 HIGH Score source: CNA CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
0% percentile: 10 · as of 3 November 2026
CWE
CWE-362CWE-416

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