CVE-2026-21344 | 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 rated as critical. Affected by this vulnerability is an unknown functionality of the component File Parser. Performing a manipulation results in out-of-bounds read.

This vulnerability is known as CVE-2026-21344. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is advised.