CVE-2020-1152 Windows Win32k Elevation of Privilege Vulnerability

Medium 5.8 Published Updated

An attacker with local access can run a crafted application to gain elevated privileges on Windows systems via improper handling in Win32k.sys.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-1152?

CVE-2020-1152 is a medium-severity vulnerability in Microsoft Windows 10, published on 11 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

<p>An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system.</p> <p>To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted script or application.</p> <p>The update addresses the vulnerability by correcting how Windows handles calls to Win32k.</p>

Which versions are affected by CVE-2020-1152?

It affects 6 products.

Products include Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

How do I fix CVE-2020-1152?

No fix has been published for CVE-2020-1152 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1152 being exploited?

There is no known exploitation of CVE-2020-1152 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-5qpm-64j6-5684.

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