#202020

Adobe Security Bulletin

Last updated on Jan 13, 2026

Security updates available for Substance 3D Designer | APSB26-13

Bulletin ID
Date published
Priority
APSB26-13
January 13, 2026
3

Summary

Adobe has released an update for Adobe Substance 3D Designer that addresses important vulnerabilities. Successful exploitation could lead to memory leak in the context of the current user.

Adobe is not aware of any exploits in the wild for any of the issues addressed in these updates.

Affected versions

Product
Version
Platform
Adobe Substance 3D Designer
15.0.3 and earlier versions
All

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.

Product
Version
Platform
Priority
Availability
Adobe Substance 3D Designer
15.1.0
All
3
Download Center
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

Vulnerability category
Vulnerability impact
Severity
CVSS base score
CVSS vector
CVE number
Out-of-bounds Read (CWE-125)
Memory leak
Important
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVE-2026-21308

Acknowledgments:

Adobe would like to thank the following researchers for reporting the relevant issues and for working with Adobe to help protect our customers:

  • voidexploit -- CVE-2026-21308

NOTE: Adobe has a public bug bounty program. 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