Microsoft Windows Authentication Elevation of Privilege Vulnerability

A vulnerability has been identified in Windows Authentication Methods, where improper validation of certain input types allows an authorized attacker to locally elevate privileges. This issue affects multiple Windows Server versions, as well as Windows 10 and Windows 11.

Impact

Exploitation of this vulnerability could allow an attacker to gain administrator privileges on the affected system.

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 KB5066791, KB5066793, KB5066780, KB5066586, and KB5066875.