CVE-2026-40402

CRITICAL CVSS 9.3 View on NVD ↗

Use after free in Windows Hyper-V allows an unauthorized attacker to elevate privileges locally.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Published: May 12, 2026 18:17 UTC Modified: May 13, 2026 15:34 UTC