Description
Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – < 10.0.17763.9245 | 10.0.17763.9245 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.9245 | 10.0.17763.9245 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.9245 | 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.5622 | 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.33438 | 10.0.26100.33438 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.33438 | 10.0.26100.33438 |
Advisories 3
- NCSC-2026-0353 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Nov 10, 2026
- WID-SEC-2026-3243 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2026
- MSRC-CVE-2026-73010 Microsoft Failover Cluster Remote Code Execution Vulnerability Microsoft Security Response Center · Sep 8, 2026
References
- Microsoft Failover Cluster Remote Code Execution Vulnerability vendor-advisory patch