CVE-2026-57968: Microsoft Windows Subsystem For Linux

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft Windows Subsystem For Linux: before 2.7.8 (fixed in 2.7.8)

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