Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
Security updates
2.7.8 — https://github.com/microsoft/WSL/releases/tag/2.7.8
Vulnerabilities 1
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High 7.8
Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability
Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2026-57968 Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57968
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss