Adobe Security Bulletin

Security updates available for Substance 3D Designer | APSB26-115

Bulletin ID

Date Published

Priority

APSB26-115

August 25, 2026

3

Summary

Adobe has released an update for Adobe Substance 3D Designer that addresses critical and important vulnerabilities. Successful exploitation could result in arbitrary code execution and application denial-of-service.

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

15.1.0 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

16.0.5

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

Heap-based Buffer Overflow (CWE-122)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-48433

Heap-based Buffer Overflow (CWE-122)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-48432

Heap-based Buffer Overflow (CWE-122)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-48431

Heap-based Buffer Overflow (CWE-122)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-48430

Heap-based Buffer Overflow (CWE-122)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-48428

Out-of-bounds Write (CWE-787)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-48427

Out-of-bounds Write (CWE-787)

Arbitrary code execution

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2026-48426

NULL Pointer Dereference (CWE-476)

Application denial-of-service

Important

5.5

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVE-2026-48429

 

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.
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 researchers  for reporting the relevant issues and for working with Adobe to help protect our customers:

  • Jony (jony_juice) — CVE-2026-48433, CVE-2026-48432, CVE-2026-48431, CVE-2026-48430, CVE-2026-48428, CVE-2026-48427, CVE-2026-48426, CVE-2026-48429

For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com

Adobe, Inc.

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