Windows 11 and Server 2025 Exposed to High-Severity Brokering File System Vulnerability

Windows 11 and Windows Server 2025 high-severity vulnerability in Microsoft’s Brokering File System (BFS), identified as CVE-2026-50458, which allows for local privilege escalation on impacted systems. The flaw is located in bfs.sys. This minifilter driver manages file, pipe, and registry access between sandboxed applications (like AppContainer and UWP apps) and the operating system. This vulnerability, […] The post Windows 11 and Server 2025 Exposed to High-Severity Brokering File System Vulnerability appeared first on Cyber Security News.