# CVE-2026-48433: Adobe Substance3D Designer heap buffer overflow

Source: https://junglewise.ai/threats/cve-2026-48433-adobe-substance3d-designer-heap-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-25. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-48433 · Severity: high · CVSS 7.8 · Published 2026-08-25

Adobe Substance3D Designer is a 3D design and modeling tool used by creative professionals to develop digital assets. A heap buffer overflow vulnerability in the application could allow an attacker to execute arbitrary code with the privileges of the user running the application, if the victim opens a malicious design file.

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

## Quick answers

**Is CVE-2026-48433 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-48433 being exploited in the wild.

**How severe is CVE-2026-48433?** High severity, with a CVSS score of 7.8, published 25 August 2026.

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

**Is there a fix for CVE-2026-48433?** 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-2026-48433 attacked?** It is attacked with local access, in a web application.

**Am I affected by CVE-2026-48433?** Check whether you run Adobe Substance 3d Designer or Adobe Substance3D Designer. 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

The vulnerability is a heap-based buffer overflow in Adobe Substance3D Designer that can be triggered by parsing specially crafted input within a design file. The attack requires user interaction—specifically, the victim must open a malicious file in the application. Successful exploitation allows an attacker to achieve arbitrary code execution in the context of the current user. The vulnerability is not known to be actively exploited in the wild.

## Affected products

- Adobe Substance3D Designer

## Timeline

- 2026-08-25: disclosed

## References

- [https://helpx.adobe.com/security/products/substance3d_designer/apsb26-115.html](https://helpx.adobe.com/security/products/substance3d_designer/apsb26-115.html)

## Related threats

- [Adobe Substance 3D Designer NULL pointer dereference denial-of-service](https://junglewise.ai/threats/cve-2026-103829-substance3d-designer-is-affected-by-a-null-pointer-dereference)
- [Adobe Substance 3D Designer null pointer dereference](https://junglewise.ai/threats/cve-2026-103828-substance3d-designer-is-affected-by-a-null-pointer-dereference)
- [Adobe Substance 3D Designer stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-103827-substance3d-designer-is-affected-by-a-stack-based-buffer)
- [Adobe Substance 3D Designer null pointer dereference](https://junglewise.ai/threats/cve-2026-103826-substance3d-designer-is-affected-by-a-null-pointer-dereference)
- [Adobe Substance 3D Designer out-of-bounds read in file parsing](https://junglewise.ai/threats/cve-2026-103825-substance3d-designer-is-affected-by-an-out-of-bounds-read)