CVE-2025-29833CWE-367

Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability

High · published May 13, 2025

CVSS v3.1
7.7
EPSS
0%
Percentile
38.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.7 · HIGH
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
CVSS v4.0
Not supplied
EPSS
0.00456 · 38.6th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2025-05-13T16:58Z
EPSS history
Timeline
  • 13 MAY 16:58Z
    Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
    cvelistv5