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CVE-2026-27912

HIGH CVSS 3.1: 8.0
Updated Apr 17, 2026
Parameter Value
CVSS 8.0 (HIGH)
Type CWE-285 (Improper Authorization)
Public PoC No

Improper authorization in Windows Kerberos allows an authorized attacker to elevate privileges over an adjacent network.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic 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