CVE-2026-25167

HIGH
2026-03-10 [email protected]
7.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
HIGH 7.4

Tags

Microsoft Use After Free Denial Of Service Memory Corruption Windows 11 24h2 Windows 11 25h2 Windows 11 26h1 Windows Server 2025

Description

Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

Analysis

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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Remediation

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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Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +37
POC: 0

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CVE-2026-25167 vulnerability details – vuln.today
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