CVE-2026-21242 Windows Subsystem for Linux Elevation of Privilege Vulnerability

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CVE-2026-21242 Windows Subsystem for Linux Elevation of Privilege Vulnerability

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CVE-2026-21242

CVE-2026-21242 concerns a use-after-free vulnerability in Windows Subsystem for Linux. The issue allows an authorized local attacker to elevate privileges, as indicated by the CVSS 3.1 metrics (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) with a base score of 7.0 (HIGH). Affected components and exact ver...