CVE-2020-1286 Path traversal in Windows

High 8.8 Published Updated

Attackers can execute arbitrary code via improper file path validation in Windows Shell, affecting all current users.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-1286?

CVE-2020-1286 is a high-severity path traversal vulnerability in Microsoft Windows 10, published on 9 Jun 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A remote code execution vulnerability exists when the Windows Shell does not properly validate file paths.An attacker who successfully exploited this vulnerability could run arbitrary code in the context of the current user, aka 'Windows Shell Remote Code Execution Vulnerability'.

Weakness: CWE-20

Which versions are affected by CVE-2020-1286?

It affects 3 products.

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

How do I fix CVE-2020-1286?

No fix has been published for CVE-2020-1286 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2020-1286 being exploited?

There is no known exploitation of CVE-2020-1286 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-57wr-v5x3-8qhf.

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