cve-2025-53142

About this tag
CVE-2025-53142 is a kernel use-after-free vulnerability in the Microsoft Brokering File System (BFS) that enables local privilege escalation on affected Windows systems. The flaw allows an authenticated attacker to exploit memory corruption to gain elevated access. System administrators and endpoint defenders should prioritize patching this vulnerability to mitigate the risk of privilege escalation attacks targeting Windows hosts.

  1. CVE-2025-53142: Kernel Use-After-Free in Microsoft BFS Enables Local Privilege Escalation

    Microsoft’s advisory listing for CVE-2025-53142 describes a use‑after‑free flaw in the Microsoft Brokering File System that can allow an authenticated, local attacker to escalate privileges on an affected Windows host — a classic kernel‑level memory corruption that deserves immediate attention...
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    • bfs vulnerability cve-2025-53142 edr detection endpoint hardening kernel exploitation kernel use-after-free memory issues microsoft bfs msrc advisory patch management privilege privilege escalation ransomware security updates windows security
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    • Forum: Security Alerts