Windows 11 24h2 CVE-2026-25167
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
AnalysisAI
Privilege escalation in Microsoft's Brokering File System on Windows 11 (24h2 and 25h2) stems from a use-after-free vulnerability that allows local attackers to gain elevated system privileges. An attacker with local access can exploit memory corruption to execute arbitrary code with higher privileges, potentially compromising system integrity. …
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RemediationAI
Within 24 hours: Inventory all systems running affected Microsoft Brokering File System versions and restrict local access to trusted users only. Within 7 days: Implement application whitelisting for privileged processes, disable unnecessary file system services, and enforce strong endpoint detection and response (EDR) monitoring for suspicious privilege escalation attempts. …
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