Adobe Security Bulletin
Last updated on Sep 3, 2026
Security updates available for Substance 3D Sampler | APSB26-121
Summary
Adobe has released an update for Adobe Substance 3D Sampler. This update addresses critical vulnerabilities that could result in arbitrary code execution.
Adobe is not aware of any exploits in the wild for any of the issues addressed in this update.
Affected Versions
Solution
Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version via the Creative Cloud desktop app's update mechanism. For more information, please reference this help page.
For managed environments, IT administrators can use the Admin Console to deploy Creative Cloud applications to end users. Refer to this help page for more information.
Vulnerability Details
Note
Effective August 11, 2026, Adobe may assign a single CVE identifier to internally discovered vulnerabilities with the same severity rating and CWE category when a release includes systemic fixes.
Acknowledgments:
Adobe would like to thank the following for reporting these issues and for working with Adobe to help protect our customers:
- Jony (jony_juice) — CVE-2026-48424, CVE-2026-48425, CVE-2026-48423, CVE-2026-48422, CVE-2026-48421, CVE-2026-48420, CVE-2026-48419, CVE-2026-48418, CVE-2026-48417, CVE-2026-71382, CVE-2026-83959
NOTE: Adobe has a public bug bounty program with Intigriti. If you are interested in working with Adobe as an external security researcher, please check out https://app.intigriti.com/programs/adobe/adobepublic/detail.
For more information, visit https://www.adobe.com/trust/security/bug-bounty.html, or email PSIRT@adobe.com.
