CVE-2026-21335: Adobe Substance 3d Designer

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Substance3D - Designer versions 15.1.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Substance 3d Designer: before 15.1.2 (fixed in 15.1.2)

Published 2026-02-10. Last modified 2026-08-28.