Home/CVE/Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to exec
CVE

CVE-2025-29833

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

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

HIGH · CVSS 7.7 EPSS 0.00292
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition
▤

Affected Products & Versions

14
microsoft windows 10 1507< 10.0.10240.21014
microsoft windows 10 1607< 10.0.14393.8066
microsoft windows 10 1809< 10.0.17763.7314
microsoft windows 10 21h2< 10.0.19044.5854
microsoft windows 10 22h2< 10.0.19045.5854
microsoft windows 11 22h2< 10.0.22621.5335
microsoft windows 11 23h2< 10.0.22631.5335
microsoft windows 11 24h2< 10.0.26100.4061
▣

Scoring & Timeline

7.7
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 May 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2025-29833Remote Code Execution
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