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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-57973

Microsoft Windows Subsystem for Linux (WSL2): race condition

Microsoft

CVE-2026-57973 · Published Jul 14, 2026 · updated Jul 20, 2026

Medium6.3
Fix: upgrade to 2.7.10 or later
Microsoft advisory

Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally.

Affected versions

PackageAffectedFixed in
Windows Subsystem for Linux (WSL2)
Product
>= 5.0.0.0, < 2.7.102.7.10
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-367

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