Vulnerability · Published Oct 13, 2026 · Assigned by microsoft
CVE-2026-102204Windows Subsystem for Linux Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity security flaw in Windows Subsystem for Linux (WSL2) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 65.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper link resolution before file access ('link following') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Subsystem for Linux (WSL2) | 5.0.0.0 – before 3.0.1 |
Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows Subsystem for Linux Elevation of Privilege Vulnerability vendor-advisory, patch