CVE-2026-40402

CriticalCVSS 9.3/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 9.3/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
May 12, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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