Description
Missing authentication for critical function in Windows Brokering File System allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.33822 | 10.0.26100.33822 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.33822 | 10.0.26100.33822 |
Advisories 2
- WID-SEC-2026-4478 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- MSRC-CVE-2026-88245 Windows Brokering File System Elevation of Privilege Vulnerability Microsoft Security Response Center · Nov 10, 2026
References
- Windows Brokering File System Elevation of Privilege Vulnerability vendor-advisory patch