CVE-2020-0636 Privilege escalation in Windows 10 Version 1903 for 32-bit Systems

High 7.8 Published Updated

An attacker can exploit a flaw in Windows Subsystem for Linux file handling to elevate privileges on affected Windows systems.

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-2020-0636?

CVE-2020-0636 is a high-severity vulnerability in Microsoft Windows 10, published on 14 Jan 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 in the way that the Windows Subsystem for Linux handles files, aka 'Windows Subsystem for Linux Elevation of Privilege Vulnerability'.

Which versions are affected by CVE-2020-0636?

It affects 2 products.

Products include Microsoft Windows 10, Microsoft Windows Server 2016.

How do I fix CVE-2020-0636?

No fix has been published for CVE-2020-0636 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-0636 being exploited?

There is no known exploitation of CVE-2020-0636 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-j7fg-3jpp-jw6j.

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