# CVE-2026-27275: Adobe Substance3D Stager out-of-bounds write

Source: https://junglewise.ai/threats/cve-2026-27275-adobe-substance3d-stager-out-of-bounds-write  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-10. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-27275 · Severity: high · CVSS 7.8 · Published 2026-03-10

Substance3D Stager is Adobe's 3D asset creation and staging software. Versions 3.1.7 and earlier contain an out-of-bounds write flaw that allows an attacker to execute arbitrary code with the privileges of the user running the application, triggered by opening a malicious file.

Technologies: [Adobe Substance 3d Stager](https://junglewise.ai/threats/technologies/substance-3d-stager), [Adobe Substance3D Stager](https://junglewise.ai/threats/technologies/substance3d-stager), [Apple macOS](https://junglewise.ai/threats/technologies/macos), [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe), [Apple](https://junglewise.ai/threats/vendors/apple), [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-27275 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-27275 being exploited in the wild.

**How severe is CVE-2026-27275?** High severity, with a CVSS score of 7.8, published 10 March 2026.

**Which products and versions are affected?** Adobe Substance3D Stager 3.1.7 and earlier.

**Is there a fix for CVE-2026-27275?** 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-2026-27275 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-27275?** Check whether you run Adobe Substance 3d Stager, Adobe Substance3D Stager, Apple macOS or one of the others listed at an affected version. 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

This is an out-of-bounds write vulnerability in Adobe Substance3D Stager versions 3.1.7 and earlier. The vulnerability allows arbitrary code execution in the context of the current user. Exploitation requires user interaction—specifically, the victim must open a malicious file. No network vector is involved; the attack is local and user-initiated. An attacker can achieve arbitrary code execution with the victim's privileges by crafting a malicious file and socially engineering the user to open it.

## Affected products

- Adobe Substance3D Stager 3.1.7 and earlier

## Timeline

- 2026-03-10: disclosed

## References

- [https://helpx.adobe.com/security/products/substance3d_stager/apsb26-29.html](https://helpx.adobe.com/security/products/substance3d_stager/apsb26-29.html)

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