Substance3D - Stager | Use After Free (CWE-416) CVE: CVE-2026-27309 Vendor: Adobe Product: Substance3D - Stager CVSS: 7.8 Credits: n/a Description: Substance3D - Stager versions 3.1.7 and earlier are affected by a Use After Free 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. References: • https://helpx.adobe.com/security/products/substance3d_stager/apsb26-29.html #dbugs_vuln
Post summary
Adobe’s Substance3D Stager is vulnerable to a use‑after‑free (CVE‑2026‑27309) that could enable arbitrary code execution if a user opens a crafted file. No PoC, exploit or active exploitation evidence is presented, but the advisory links to vendor documentation.
