Microsoft Windows Clipboard Server Privilege Escalation Vulnerability

A use-after-free vulnerability has been identified in the Windows Clipboard Server, allowing an unauthorized attacker to locally elevate privileges. This vulnerability arises from improper memory management, which can be exploited to gain higher system privileges.

Impact

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

Remediation

Users can apply the security update KB5073722 to address this vulnerability. This update is available through the Microsoft Update Catalog. For Windows Server 2025, the security update KB5073379 can be applied. Windows 11 users can download the security update KB5074109. For Windows Server 2022, 23H2 Edition (Server Core installation), the security update KB5073450 is available. Windows 10 users can apply the security update KB5073724. For Windows Server 2022, the security update KB5073457 can be applied.