Cyber Resilience

CVE-2025-29833

High

Published: 13 May 2025

Published
13 May 2025
Modified
19 May 2025
KEV Added
—
Patch
—
CVSS Score v3.1 7.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0029 53.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-29833 is a high-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Microsoft Windows 10 21H2. Its CVSS base score is 7.7 (High).

Operationally, ranked in the top 47.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-367

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10 1507
≤ 10.0.10240.21014 · ≤ 10.0.10240.21014
microsoft
windows 10 1607
≤ 10.0.14393.8066 · ≤ 10.0.14393.8066
microsoft
windows 10 1809
≤ 10.0.17763.7314 · ≤ 10.0.17763.7314
microsoft
windows 10 21h2
≤ 10.0.19044.5854 · ≤ 10.0.19044.5854 · ≤ 10.0.19044.5854
microsoft
windows 10 22h2
≤ 10.0.19045.5854 · ≤ 10.0.19045.5854 · ≤ 10.0.19045.5854
microsoft
windows 11 22h2
≤ 10.0.22621.5335 · ≤ 10.0.22621.5335
microsoft
windows 11 23h2
≤ 10.0.22631.5335 · ≤ 10.0.22631.5335
microsoft
windows 11 24h2
≤ 10.0.26100.4061 · ≤ 10.0.26100.4061
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
≤ 10.0.14393.8066
+4 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AU-8 Time Stamps
addresses: CWE-367

Timestamps meeting UTC or offset standards help identify TOCTOU issues through precise chronological reconstruction of check/use operations.

References