vulnerability

Microsoft Windows: CVE-2025-21343: Windows Web Threat Defense User Service Information Disclosure Vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
Jan 14, 2025
Added
Jan 14, 2025
Modified
Sep 15, 2025

Description

Windows Web Threat Defense User Service Information Disclosure Vulnerability

Solutions

microsoft-windows-windows_11-22h2-kb5050021microsoft-windows-windows_11-23h2-kb5050021microsoft-windows-windows_11-24h2-kb5050009
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.