Cyber Resilience

CVE-2025-54919

High

Published: 09 September 2025

Published
09 September 2025
Modified
12 September 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0010 27.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-54919 is a high-severity Race Condition (CWE-362) vulnerability in Microsoft Windows 10 1809. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 27.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

CWE(s)

Related Threats

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

Affected Assets

microsoft
windows 10 1809
≤ 10.0.17763.7792 · ≤ 10.0.17763.7792
microsoft
windows 10 21h2
≤ 10.0.19044.6332
microsoft
windows 10 22h2
≤ 10.0.19045.6332
microsoft
windows 11 22h2
≤ 10.0.22621.5909
microsoft
windows 11 23h2
≤ 10.0.22631.5909
microsoft
windows 11 24h2
≤ 10.0.26100.6508
microsoft
windows server 2019
≤ 10.0.17763.7792
microsoft
windows server 2022
≤ 10.0.20348.4106
microsoft
windows server 2022 23h2
≤ 10.0.25398.1849
microsoft
windows server 2025
≤ 10.0.26100.6508

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.

addresses: CWE-362

Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.

addresses: CWE-362

Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.

References