CVE-2021-1657 Windows Fax Compose Form Remote Code Execution Vulnerability

High 7.8 Published Updated

An attacker can exploit the Windows Fax Compose Form to execute arbitrary code and escalate 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-2021-1657?

CVE-2021-1657 is a high-severity vulnerability in Microsoft Windows 10, published on 12 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Windows Fax Compose Form Remote Code Execution Vulnerability

Weakness: CWE-269

Which versions are affected by CVE-2021-1657?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2021-1657?

No fix has been published for CVE-2021-1657 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-1657 being exploited?

There is no known exploitation of CVE-2021-1657 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-hgj8-gj82-r3p2.

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