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, […]
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