Description
Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – < 10.0.22621.5624 | 10.0.22621.5624 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – < 10.0.22631.5624 | 10.0.22631.5624 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – < 10.0.22631.5624 | 10.0.22631.5624 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.3932 | 10.0.20348.3932 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – < 10.0.25398.1732 | 10.0.25398.1732 |
Advisories 3
- WID-SEC-2025-1495 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 2, 2025
- NCSC-2025-0213 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Jul 8, 2025
- MSRC-CVE-2025-48802 Windows SMB Server Spoofing Vulnerability Microsoft Security Response Center · Jul 8, 2025
References
- Windows SMB Server Spoofing Vulnerability vendor-advisory patch