Microsoft Windows Kerberos Privilege Escalation Vulnerability

Vulnerability

A vulnerability in Windows Kerberos allows an authorized attacker to elevate privileges over a network by exploiting untrusted inputs in a security decision. This issue affects multiple Windows Server and Windows 10 versions.

Impact

Successful exploitation of this vulnerability could allow an attacker to gain SYSTEM privileges.

Remediation

Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked in the product-specific sections.

Added: Jan 13, 2026, 7:53 PM
Updated: Jan 13, 2026, 7:53 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
2.9
remediation
7.7
relevance
2.0
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.