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CVE-2026-21237

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CVSS 3.1
7.0 high
EPSS
<1%p19
Published
()
Modified
Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

Vendors
microsoft
Products
windows 10 21h2, windows 10 22h2, windows 11 23h2, windows 11 24h2, windows 11 25h2, windows server 2022, windows server 2022 23h2, windows server 2025
Weakness
CWE-362, CWE-416
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

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