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CVE-2025-21343

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CVE-2025-21343

Published: Jan 14, 2025

Modified: Feb 13, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

Windows Web Threat Defense User Service Information Disclosure Vulnerability

VendorProductVersions

Microsoft

Windows 11 version 22H2

affected
10.0.22621.0 - < 10.0.22621.4751

Microsoft

Windows 11 version 22H3

affected
10.0.22631.0 - < 10.0.22631.4751

Microsoft

Windows 11 Version 23H2

affected
10.0.22631.0 - < 10.0.22631.4751

Microsoft

Windows 11 Version 24H2

affected
10.0.26100.0 - < 10.0.26100.2894

Weaknesses (CWE)

CWE-269

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

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