// CVE · PUBLISHED 2026-05-12
CVE-2026-40402
Microsoft / Windows 11 version 23H2 · Microsoft / Windows 11 Version 23H2 · Microsoft / Windows Server 2022
9.3 · CVSS 3.1Critical
Description
Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.