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CVE-2026-21237
HIGH
CVSS: 7.0
Published: 2026-02-10
Modified: 2026-06-17
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Affected Platforms
Microsoft Windows 10 21H2Microsoft Windows 11 24H2Microsoft Windows 10 22H2Microsoft Windows Server 2025Microsoft Windows Server 2022Microsoft Windows 11 25H2Microsoft Windows Server 2022 23H2Microsoft Windows 11 23H2
Weakness Type
CWE-362, CWE-416, CWE-362