CVE-2026-103826 Substance3D - Designer | NULL Pointer Dereference (CWE-476)

Medium 5.5 Published 13 Oct 2026 Updated 14 Oct 2026

An attacker can crash Substance 3D Designer by tricking a user into opening a malicious file, causing a denial of service.

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-2026-103826?

CVE-2026-103826 is a medium-severity vulnerability in Adobe Substance 3d Designer, published on 13 Oct 2026. 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

Substance3D - Designer is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-476

Which versions are affected by CVE-2026-103826?

It affects 1 product.

Products include Adobe Substance 3d Designer.

How do I fix CVE-2026-103826?

No fix has been published for CVE-2026-103826 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-103826 being exploited?

There is no known exploitation of CVE-2026-103826 in the wild and no public exploit code.

All Adobe Substance 3d Designer vulnerabilities

Sources

Also known as GHSA-wvm4-vmv4-5cqm.