Microsoft Windows task scheduler zero-day escalation vulnerability

Overview

Microsoft Windows task scheduler contains a local privilege escalation vulnerability in the Advanced Local Procedure Call (ALPC) interface, which can allow a local user to obtain SYSTEM privileges.

Description

Microsoft Windows task scheduler contains a vulnerability in the handling of ALPC, which can allow a local user to gain SYSTEM privileges. We have confirmed that the public exploit code works on 64-bit Windows 10 and Windows Server 2016 systems. Compatibility with other Windows versions may be possible with modification of the publicly-available exploit source code.

Impact

A local user may be able to gain elevated (SYSTEM) privileges.

Solution

The CERT/CC is currently unaware of a practical solution to this problem.

Vendor Information (Learn More)

Vendor: Microsoft
Status: Affected
Date Notified: 27 Aug 2018
Date Updated: 27 Aug 2018

Read more:

• Vulnerability Note VU#906424 - Microsoft Windows task scheduler contains a local privilege escalation vulnerability in the ALPC interface
• Windows 0-day pops up out of nowhere Twitter