CVE-2025-59242

HIGH

Microsoft Windows 10 1507 < 10.0.10240.21161 - Integer Underflow

Title source: rule
STIX 2.1

Description

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

References (1)

Scores

CVSS v3 7.8
EPSS 0.0008
EPSS Percentile 23.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/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-191 CWE-122
Status published
Products (18)
microsoft/windows_10_1507 < 10.0.10240.21161 (2 CPE variants)
microsoft/windows_10_1607 < 10.0.14393.8519 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.7919 (2 CPE variants)
microsoft/windows_10_21h2 < 10.0.19044.6456
microsoft/windows_10_22h2 < 10.0.19045.6456
microsoft/windows_11_22h2 < 10.0.22621.6060
microsoft/windows_11_23h2 < 10.0.22631.6060
microsoft/windows_11_24h2 < 10.0.26100.6899
microsoft/windows_11_25h2 < 10.0.26200.6899
microsoft/windows_server_2008 (2 CPE variants)
... and 8 more
Published Oct 14, 2025
Tracked Since Feb 18, 2026