Description
Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows Server 2012 | 6.2.9200.0 – < 6.2.9200.25522 | 6.2.9200.25522 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 – < 6.2.9200.25522 | 6.2.9200.25522 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 – < 6.3.9600.22620 | 6.3.9600.22620 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 – < 6.3.9600.22620 | 6.3.9600.22620 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – < 10.0.14393.8148 | 10.0.14393.8148 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – < 10.0.14393.8148 | 10.0.14393.8148 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.7434 | 10.0.17763.7434 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.7434 | 10.0.17763.7434 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.3807 | 10.0.20348.3807 |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – < 10.0.25398.1665 | 10.0.25398.1665 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.4349 | 10.0.26100.4349 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.4349 | 10.0.26100.4349 |
Advisories 3
- WID-SEC-2025-1277 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 20, 2025
- NCSC-2025-0188 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Jun 10, 2025
- MSRC-CVE-2025-33071 Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability Microsoft Security Response Center · Jun 10, 2025
References
- Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability vendor-advisory patch