CVE-2020-1423 Privilege escalation in Windows 10 Version 2004 for ARM64-based Systems

High 7.8 Published Updated

Attackers can exploit file handling flaws in Windows Subsystem for Linux to gain elevated 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-2020-1423?

CVE-2020-1423 is a high-severity vulnerability in Microsoft Windows 10, published on 14 Jul 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-2020-1423?

It affects 2 products.

Products include Microsoft Windows 10, Microsoft Windows Server 2016.

How do I fix CVE-2020-1423?

No fix has been published for CVE-2020-1423 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1423 being exploited?

There is no known exploitation of CVE-2020-1423 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-hrxp-m6vj-m2rc.

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