CVE-2026-40402

Critical

Published: 12/05/2026(UTC)Translated: 14/06/2026(UTC)NVD NIST

Summary

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

This vulnerability could lead to unauthorized access and privilege escalation, posing a significant security risk to the organization.

It is recommended to update Windows Hyper-V to the latest version to mitigate this vulnerability.

Original NVD description (English source)

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