PT-2025-4222 · Microsoft · Windows Web Threat Defense+1

Published 2025-01-14 · Updated 2025-01-21 · CVE-2025-21343

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Windows Web Threat Defense (affected versions not specified)

Description The issue allows attackers to obtain sensitive information and affect the system. It is related to information disclosure in the user service of Windows Web Threat Defense.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2025-21343

Affected Products

Windows

Windows Web Threat Defense

References · 6

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21343 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21343 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21343 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21343 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21343 · Security Note
• https://twitter.com/CVEnew/status/1879290757149761596 · Twitter Post