CVE-2020-1250 Win32k Information Disclosure Vulnerability

Medium 5.5 Published Updated

An attacker with local access can run a crafted application to leak kernel information, aiding further system compromise.

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-2020-1250?

CVE-2020-1250 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 information disclosure vulnerability exists when the win32k component improperly provides kernel information. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting how win32k handles objects in memory.</p>

Which versions are affected by CVE-2020-1250?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2020-1250?

No fix has been published for CVE-2020-1250 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1250 being exploited?

There is no known exploitation of CVE-2020-1250 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-g25v-9jpc-v62r.

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