CVE-2025-21418

HIGH KEV

Microsoft Windows 10 1607 < 10.0.10240.20915 - Heap Buffer Overflow

Title source: rule

Description

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

References (2)

Scores

CVSS v3 7.8
EPSS 0.1327
EPSS Percentile 94.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2025-02-11
VulnCheck KEV 2025-02-11
ENISA EUVD EUVD-2025-2476
CWE
CWE-122
Status published
Products (16)
microsoft/windows_10_1607 < 10.0.10240.20915 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.6893 (2 CPE variants)
microsoft/windows_10_21h2 < 10.0.19044.5487
microsoft/windows_10_22h2 < 10.0.19045.5487
microsoft/windows_11_22h2 < 10.0.22621.4890
microsoft/windows_11_23h2 < 10.0.22631.4890
microsoft/windows_11_24h2 < 10.0.26100.3107
microsoft/windows_server_2008
microsoft/windows_server_2008 r2 sp1
microsoft/windows_server_2012
... and 6 more
Published Feb 11, 2025
KEV Added Feb 11, 2025
Tracked Since Feb 18, 2026