CVE-2020-16936 Windows Backup Service Elevation of Privilege Vulnerability

High 7.8 Published Updated

An attacker with local access can elevate privileges by exploiting improper file operation handling in the Windows Backup Service.

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-2020-16936?

CVE-2020-16936 is a high-severity vulnerability in Microsoft Windows 10, published on 16 Oct 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 the Windows Backup Service improperly handles file operations.</p> <p>To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.</p> <p>The security update addresses the vulnerability by correcting how the Windows Backup Service handles file operations.</p>

Which versions are affected by CVE-2020-16936?

It affects 5 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows Server 2008, Microsoft Windows Server 2016, Microsoft Windows Server 2019.

How do I fix CVE-2020-16936?

No fix has been published for CVE-2020-16936 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-16936 being exploited?

There is no known exploitation of CVE-2020-16936 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-488g-rx3g-pv33.

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