Vulnerability · Published Dec 9, 2025 · Assigned by microsoft

CVE-2025-62468Windows Defender Firewall Service Information Disclosure Vulnerability

Medium 5.5

In plain English

A medium-severity out-of-bounds read in Windows 11 version 22H3 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.6345
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.6345
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.7462
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.7462
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.2025
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.7462
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.7462

Weakness: CWE-125 · Vector: 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

References