CVE-2025-29833 HIGH

CVE-2025-29833: Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

Vendor Microsoft
Product Windows 10 Version 1507
Weakness CWE-367
Published May 13, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.

Key dates

02Disclosure timeline

May 13, 2025 CVE published
February 26, 2026 Record updated