Microsoft has addressed a critical use-after-free vulnerability in its Brokering File System (BFS) driver that could allow attackers to escalate privileges on Windows systems. Tracked as CVE-2025-29970, the security flaw affects the bfs.sys component and was discovered by security researchers at HT3Labs. Vulnerability Overview The Brokering File System, introduced alongside Windows’ Win32 App Isolation feature […] The post Microsoft Brokering File System Vulnerability Enables Local Privilege Escalation appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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