Description
Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information 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 2
- WID-SEC-2026-3243 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2026
- MSRC-CVE-2026-72989 Windows Failover Cluster Information Disclosure Vulnerability Microsoft Security Response Center · Sep 8, 2026
References
- Windows Failover Cluster Information Disclosure Vulnerability vendor-advisory patch