# CVE-2026-83962: Adobe Substance3D Modeler stack buffer overflow

Source: https://junglewise.ai/threats/cve-2026-83962-substance3d-modeler-is-affected-by-a-stack-based-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-22. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-83962 · Severity: high · CVSS 7.8 · Published 2026-09-22

Adobe Substance3D Modeler contains a stack-based buffer overflow vulnerability that allows an attacker to execute arbitrary code on a user's system. An attacker would need to trick a user into opening a specially crafted malicious file, after which the attacker gains full control over the application and the user's data.

Technologies: [Adobe Substance 3d Modeler](https://junglewise.ai/threats/technologies/substance-3d-modeler), [Adobe Substance3D Modeler](https://junglewise.ai/threats/technologies/substance3d-modeler). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-83962 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83962 being exploited in the wild.

**How severe is CVE-2026-83962?** High severity, with a CVSS score of 7.8, published 22 September 2026.

**Which products and versions are affected?** Adobe Substance3D Modeler.

**Is there a fix for CVE-2026-83962?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-83962 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-83962?** Check whether you run Adobe Substance 3d Modeler or Adobe Substance3D Modeler. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A stack-based buffer overflow exists in Substance3D Modeler that can be exploited through a malicious file. The vulnerability requires local user interaction to open the file, but results in arbitrary code execution in the context of the current user. No patch status information is available from the provided references.

## Affected products

- Adobe Substance3D Modeler

## Timeline

- 2026-09-22: disclosed

## References

- [https://helpx.adobe.com/security/products/substance3d-modeler/apsb26-155.html](https://helpx.adobe.com/security/products/substance3d-modeler/apsb26-155.html)

## Related threats

- [Adobe Substance3D Modeler out-of-bounds write](https://junglewise.ai/threats/cve-2026-83963-substance3d-modeler-is-affected-by-an-out-of-bounds-write)
- [Adobe Substance3D Modeler out-of-bounds write](https://junglewise.ai/threats/cve-2026-81998-substance3d-modeler-is-affected-by-an-out-of-bounds-write)
- [Adobe Substance3D Modeler out-of-bounds write](https://junglewise.ai/threats/cve-2026-79906-substance3d-modeler-is-affected-by-an-out-of-bounds-write)
- [Adobe Substance3D Modeler out-of-bounds read](https://junglewise.ai/threats/cve-2026-21348-adobe-substance3d-modeler-out-of-bounds-read)
- [Adobe Substance3D Modeler out-of-bounds read in file parsing](https://junglewise.ai/threats/cve-2026-21303-adobe-substance3d-modeler-out-of-bounds-read-in-file-parsing)