Description
Out-of-bounds read in Windows Defender Firewall Service allows an authorized attacker to disclose information locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – < 10.0.22631.6345 | 10.0.22631.6345 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – < 10.0.22631.6345 | 10.0.22631.6345 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – < 10.0.26100.7462 | 10.0.26100.7462 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – < 10.0.26200.7462 | 10.0.26200.7462 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – < 10.0.25398.2025 | 10.0.25398.2025 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.7462 | 10.0.26100.7462 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.7462 | 10.0.26100.7462 |
Advisories 3
- WID-SEC-2025-2781 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 19, 2026
- MSRC-CVE-2025-62468 Windows Defender Firewall Service Information Disclosure Vulnerability Microsoft Security Response Center · Dec 12, 2025
- NCSC-2025-0383 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Dec 9, 2025
References
- Windows Defender Firewall Service Information Disclosure Vulnerability vendor-advisory patch