CVE-2025-62468

Windows Defender Firewall Service Information Disclosure Vulnerability

State: Published
Severity: 5.5 Medium
Published: Dec 9, 2025
Updated: Apr 16, 2026
Reserved: Oct 14, 2025

Description

Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.6345Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.6345Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.7462Affected
Windows 11 Version 25H2Microsoft	10.0.26200.0 to before 10.0.26200.7462Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.2025Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.7462Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.7462Affected

References

Windows Defender Firewall Service Information Disclosure Vulnerabilityvendor-advisorypatch

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