windows subsystem for linux vulnerabilities and fixes
Recent CVEs affecting windows subsystem for linux, with upgrade or downgrade steps. 2 tracked.
Also searched as: windowssubsystemforlinux.
windows subsystem for linux has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-07-14. Highest priority: CVE-2026-57968 (score 39/100).
- CVE-2026-57968 HIGH 7.8 UPGRADE Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
- CVE-2026-57973 MEDIUM 6.3 UPGRADE Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker
FAQ
How do I fix windows subsystem for linux vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is windows subsystem for linux being exploited right now?
None of the tracked windows subsystem for linux CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which windows subsystem for linux CVE should I patch first?
CVE-2026-57968 currently ranks highest (39/100): Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally..