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CVE-2026-32091

HIGH CVSS 3.1: 8.4
Updated Apr 17, 2026
Microsoft
Parameter Value
CVSS 8.4 (HIGH)
Type CWE-362 (Race Condition), CWE-416 (Use After Free)
Vendor Microsoft
Public PoC No

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1