Microsoft Streaming Service Improper Privilege Management Vulnerability Allowing Privilege Escalation

A vulnerability has been identified in Microsoft Streaming Service that involves improper privilege management. This flaw allows an authorized attacker to locally elevate privileges. The vulnerability affects several versions of Windows, including various releases of Windows Server and Windows 10.

Impact

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

Remediation

Users can apply the security update for this vulnerability, which is included in the November 2025 security update rollup. Instructions for downloading this update are available through the Microsoft Update Catalog.