CVE-2026-21299

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.

More information : https://helpx.adobe.com/security/products/substance3d-modeler/apsb26-08.html