VULNERABILITY INTELLIGENCE

CVE-2026-40402

CVSS score9.3 CRITICAL
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-05-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

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

Weakness classification

  • secure@microsoft.com: CWE-416

Primary references