CVE-2020-1111 Windows Clipboard Service Elevation of Privilege Vulnerability

High 7.8 Published Updated

A local attacker can exploit improper Clipboard Service handling to execute arbitrary code with system privileges, requiring a patch.

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-2020-1111?

CVE-2020-1111 is a high-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 elevation of privilege vulnerability exists when Windows improperly handles calls to Clipboard Service. An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control over an affected system. The update addresses the vulnerability by correcting how Windows handles calls to Clipboard Service.

Which versions are affected by CVE-2020-1111?

It affects 2 products.

Products include Microsoft Windows 10, Microsoft Windows Server 2019.

How do I fix CVE-2020-1111?

No fix has been published for CVE-2020-1111 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1111 being exploited?

There is no known exploitation of CVE-2020-1111 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-r452-pq83-gg5j.

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