Microsoft Windows Kernel Privilege Escalation Vulnerability

A vulnerability allowing untrusted pointer dereference in the Windows Kernel has been identified, which could enable an authorized attacker to locally elevate privileges. This issue affects multiple Windows 10 and Windows 11 versions, as well as Windows Server 2019, 2022, and 2025.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation, allowing an attacker to gain SYSTEM privileges.

Remediation

Users can download the security update for this vulnerability via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5066791, KB5066793, KB5066780, and KB5066586.