CVE-2025-27491

high

Description

Use after free in Windows Hyper-V allows an authorized attacker to execute code over a network.

References

https://www.theregister.com/2025/04/08/patch_tuesday_microsoft/

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27491

Details

Source: Mitre, NVD

Published: 2025-04-08

Updated: 2025-04-09

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Severity: High