CVE-2026-85879

Name of the Vulnerable Software and Affected Versions Windows Subsystem for Linux (affected versions not specified)

Description A time-of-check time-of-use (toctou) race condition exists, which allows an authorized attacker to elevate privileges locally. A TOCTOU race condition occurs when a program checks the state of a resource and then acts upon that resource, but the state changes between the check and the use.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.