SB2025120954 - Out-of-bounds read in Microsoft Windows Defender Firewall Service
Published: December 9, 2025
Security Bulletin ID
SB2025120954
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2025-62468)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in Windows Defender Firewall Service. A local administrator can trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.