CVE-2026-21343 | Adobe Substance3D Stager up to 3.1.6 File Parser out-of-bounds (apsb26-20)

A vulnerability was found in Adobe Substance3D Stager up to 3.1.6. It has been declared as critical. Affected is an unknown function of the component File Parser. Such manipulation leads to out-of-bounds read.

This vulnerability is traded as CVE-2026-21343. The attack may be launched remotely. There is no exploit available.

It is recommended to upgrade the affected component.