CVE-2020-17003 Base3D Remote Code Execution Vulnerability

High 7.8 Published 16 Oct 2020 Updated 29 May 2026

An attacker can execute arbitrary code on a victim system by exploiting a memory handling flaw in the Microsoft 3D Viewer application.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-17003?

CVE-2020-17003 is a high-severity memory corruption vulnerability in Microsoft 3D Viewer, published on 16 Oct 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A remote code execution vulnerability exists when the Base3D rendering engine improperly handles memory. An attacker who successfully exploited the vulnerability would gain execution on a victim system. The security update addresses the vulnerability by correcting how the Base3D rendering engine handles memory.

Weakness: CWE-119

Which versions are affected by CVE-2020-17003?

It affects 1 product.

Products include Microsoft 3d Viewer.

How do I fix CVE-2020-17003?

No fix has been published for CVE-2020-17003 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-17003 being exploited?

There is no known exploitation of CVE-2020-17003 in the wild and no public exploit code.

Sources

Also known as GHSA-2qp9-54h2-9wwv.