CVE-2026-85879
Windows Subsystem for Linux Elevation of Privilege Vulnerability
- State
- Published
- Severity
- 7.0 High
- Published
- Oct 13, 2026
- Updated
- Oct 31, 2026
- Reserved
- Sep 4, 2026
Description
Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | microsoft |
Weaknesses
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
Affected Products
| Product | Versions |
|---|---|
Windows Subsystem for Linux (WSL2)Microsoft |
|
References
- Windows Subsystem for Linux Elevation of Privilege Vulnerabilityvendor-advisorypatch
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.