CVE-2020-1271 Privilege escalation in Windows

High 7.8 Published Updated

An attacker with local access can exploit improper file handling in the Windows Backup Service to elevate privileges.

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-2020-1271?

CVE-2020-1271 is a high-severity vulnerability in Microsoft Windows 10, published on 9 Jun 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 the Windows Backup Service improperly handles file operations.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Backup Service Elevation of Privilege Vulnerability'.

Which versions are affected by CVE-2020-1271?

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-2020-1271?

No fix has been published for CVE-2020-1271 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1271 being exploited?

There is no known exploitation of CVE-2020-1271 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-qjwc-c3q8-qw9r.

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