CVE-2025-54099
High
Published: 09 September 2025
Published
09 September 2025
Modified
02 October 2025
KEV Added
—
Patch
—
CVSS Score v3.1
7.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0017
37.5th percentile
Risk Priority
14
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2025-54099 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.0 (High).
Operationally, ranked at the 37.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-27367
Vulnerability details
Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
windows 10 1507
≤ 10.0.10240.21128 · ≤ 10.0.10240.21128
microsoft
windows 10 1607
≤ 10.0.14393.8422 · ≤ 10.0.14393.8422
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 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+5 more product configuration(s) — see NVD for full list
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.