CVE-2026-21298: Adobe Substance 3d Modeler

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

Substance3D - Modeler versions 1.22.4 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 Modeler: before 1.22.5 (fixed in 1.22.5)

Published 2026-01-13. Last modified 2026-08-28.