# CVE-2026-75767: Adobe Substance3D Painter heap buffer overflow

Source: https://junglewise.ai/threats/cve-2026-75767-adobe-substance3d-painter-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-2026-75767 · Severity: high · CVSS 7.8 · Published 2026-08-25

Substance3D Painter is a professional 3D design and texturing tool used by artists and designers to create digital assets. A heap buffer overflow vulnerability could allow an attacker to execute arbitrary code with the privileges of the user running the application if they trick a user into opening a malicious file. This could lead to unauthorized access to sensitive design files, system compromise, or data theft.

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

## Quick answers

**Is CVE-2026-75767 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-75767 being exploited in the wild.

**How severe is CVE-2026-75767?** High severity, with a CVSS score of 7.8, published 25 August 2026.

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

**Is there a fix for CVE-2026-75767?** 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-2026-75767 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-75767?** Check whether you run Adobe Substance 3d Painter or Adobe Substance3D Painter. 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 Painter that can be triggered by opening a specially crafted malicious file. The vulnerability class is CWE-122 (heap-based buffer overflow), and exploitation requires user interaction (opening a malicious file). An attacker can achieve arbitrary code execution in the context of the current user. The attack vector is local, requiring the user to manually open the malicious file. A patch is expected to be available through Adobe's security advisory APSB26-129.

## Affected products

- Adobe Substance3D Painter

## Timeline

- 2026-08-25: disclosed

## References

- [https://helpx.adobe.com/security/products/substance3d_painter/apsb26-129.html](https://helpx.adobe.com/security/products/substance3d_painter/apsb26-129.html)

## Related threats

- [Adobe Substance 3D Painter out-of-bounds read in file parsing](https://junglewise.ai/threats/cve-2026-48380-substance3d-painter-is-affected-by-an-out-of-bounds-read)
- [Adobe Substance 3D Painter stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-48379-substance3d-painter-is-affected-by-a-stack-based-buffer-overflow)
- [Adobe Substance3D Sampler heap buffer overflow](https://junglewise.ai/threats/cve-2026-34674-adobe-substance3d-sampler-heap-buffer-overflow)
- [Adobe Substance3D Painter out-of-bounds write](https://junglewise.ai/threats/cve-2026-75770-adobe-substance3d-painter-out-of-bounds-write)
- [Adobe Substance 3D Painter heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-75769-adobe-substance-3d-painter-heap-based-buffer-overflow)