CVE-2026-21364 Substance3D - Painter | NULL Pointer Dereference (CWE-476)
An attacker can crash the application 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-2026-21364?
CVE-2026-21364 is a medium-severity vulnerability in Adobe Substance 3d Painter, published on 10 Mar 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 - Painter versions 11.1.2 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. 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-2026-21364?
It affects 1 product.
Products include Adobe Substance 3d Painter.
How do I fix CVE-2026-21364?
No fix has been published for CVE-2026-21364 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21364 being exploited?
There is no known exploitation of CVE-2026-21364 in the wild and no public exploit code.
Other vulnerabilities in Adobe Substance 3d Painter
- CVE-2026-34674 Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
- CVE-2026-75749 Substance3D - Painter | Out-of-bounds Write (CWE-787)
- CVE-2026-75750 Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
- CVE-2026-75766 Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
- CVE-2026-75767 Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
Sources
Also known as GHSA-jgj3-rx6g-3qhq.