CVE-2025-54099

HIGH

Windows 10/11, Server 2008 - Privilege Escalation via Stack Overflow in AFD

Title source: llm
STIX 2.1

Description

Stack-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

References (1)

Core 1
Core References

Scores

CVSS v3 7.0
EPSS 0.0008
EPSS Percentile 22.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-121
Status published
Products (17)
microsoft/windows_10_1507 < 10.0.10240.21128 (2 CPE variants)
microsoft/windows_10_1607 < 10.0.14393.8422 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.7792 (2 CPE variants)
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 (2 CPE variants)
microsoft/windows_server_2008 r2 sp1
... and 7 more
Published Sep 09, 2025
Tracked Since Feb 18, 2026