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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
style
grid width 12

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
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grid width 12

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
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grid width 12

Vulnerability Details

Vulnerability impact
Severity
CVSS base score
CVSS vector
CVE number
Vulnerability Category
Vulnerability Impact
Severity
CVSS base score
CVSS vector
CVE Number
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-2026-79906
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-2026-81998
Stack-based Buffer Overflow (CWE-121)
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-2026-83962
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-2026-83963

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

NOTE: Adobe has a public bug bounty program with HackerOne. 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.