Cyber Resilience

CVE-2025-54103

High

Published: 09 September 2025

Published
09 September 2025
Modified
02 October 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0017 37.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-54103 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Windows 10 21H2. Its CVSS base score is 7.4 (High).

Operationally, ranked at the 37.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Use after free in Windows Management Services allows an unauthorized attacker to elevate privileges locally.

CWE(s)
CWE-416

Related Threats

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

Affected Assets

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 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.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References