CVE-2020-1116 Windows CSRSS Information Disclosure Vulnerability

Medium 5.5 Published Updated

An attacker with local access can exploit a memory handling flaw in Windows CSRSS to disclose sensitive 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-2020-1116?

CVE-2020-1116 is a medium-severity vulnerability in Microsoft Windows 10, published on 21 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An information disclosure vulnerability exists when the Windows Client Server Run-Time Subsystem (CSRSS) fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application. The update addresses the vulnerability by correcting how the Windows CSRSS handles objects in memory.

Which versions are affected by CVE-2020-1116?

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-2020-1116?

No fix has been published for CVE-2020-1116 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1116 being exploited?

There is no known exploitation of CVE-2020-1116 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-jpvx-fgp9-vfvc.

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