CVE-2025-21343

HIGH

Windows 11 22H2-24H2 - Information Disclosure in Web Threat Defense User Service

Title source: llm
STIX 2.1

Description

Windows Web Threat Defense User Service Information Disclosure Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21343

Scores

CVSS v3 7.5
EPSS 0.0132
EPSS Percentile 67.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-269
Status published
Products (7)
Microsoft/Windows 11 version 22H2 10.0.22621.0 - 10.0.22621.4751
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.4751
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.4751
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.2894
microsoft/windows_11_22h2 < 10.0.22621.4751
microsoft/windows_11_23h2 < 10.0.22631.4751
microsoft/windows_11_24h2 < 10.0.26100.2894
Published Jan 14, 2025
Tracked Since Feb 18, 2026