#202020

Adobe Security Bulletin

Last updated on Sep 22, 2026

Security updates available for Substance 3D Modeler | APSB26-155

Bulletin ID
Date published
Priority
APSB26-155
September 22, 2026
3

Summary

Adobe has released an update for Adobe Substance 3D Modeler. 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 these updates.

Affected Versions

Product
Version
Platform
Adobe Substance 3D Modeler
1.22.6 and earlier
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.

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.

Product
Version
Platform
Priority
Availability
Adobe Substance 3D Modeler
1.22.8
All
3
Download Center

Vulnerability Details

CVE-2026-79906
Vulnerability category: Out-of-bounds Write (CWE-787)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 7.8
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2026-81998
Vulnerability category: Out-of-bounds Write (CWE-787)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 7.8
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2026-83962
Vulnerability category: Stack-based Buffer Overflow (CWE-121)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 7.8
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2026-83963
Vulnerability category: Out-of-bounds Write (CWE-787)
Vulnerability impact: Arbitrary code execution
Severity: Critical
CVSS base score: 7.8
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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-2026-79906, CVE-2026-81998, CVE-2026-83962, CVE-2026-83963