Description
Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows Subsystem for Linux (WSL2) | 5.0.0.0 – < 2.7.10 | 2.7.10 |
Advisories 1
- MSRC-CVE-2026-85879 Windows Subsystem for Linux Elevation of Privilege Vulnerability Microsoft Security Response Center · Oct 13, 2026
References
- Windows Subsystem for Linux Elevation of Privilege Vulnerability vendor-advisory patch