CVE-2026-57973: Microsoft Windows Subsystem For Linux

Medium severity, CVSS 4.7. EPSS: 0.2% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft Windows Subsystem For Linux: before 2.7.10 (fixed in 2.7.10)

Published 2026-07-14. Last modified 2026-07-20.