# CVE-2026-27277: Adobe Substance3D Stager use-after-free vulnerability

Source: https://junglewise.ai/threats/cve-2026-27277-adobe-substance3d-stager-use-after-free-vulnerability  
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-2026-27277 · Severity: high · CVSS 7.8 · Published 2026-03-10

Adobe Substance3D Stager is a 3D design and staging tool used by creative professionals. Versions 3.1.7 and earlier contain a use-after-free memory flaw that allows attackers to execute arbitrary code with the privileges of the current user if they trick a victim into opening a malicious file. This could lead to data theft, malware installation, or compromise of creative assets and projects.

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-2026-27277 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-27277 being exploited in the wild.

**How severe is CVE-2026-27277?** 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-2026-27277?** 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-2026-27277 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-27277?** 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

The vulnerability is a use-after-free condition in Adobe Substance3D Stager versions 3.1.7 and earlier. It allows arbitrary code execution in the context of the current user. Exploitation requires user interaction—specifically, a victim must open a malicious file in the affected software. No network attack vector or authentication bypass is required. Upon successful exploitation, an attacker can execute arbitrary code with the privileges of the user running the application. Patches are expected via Adobe security updates for versions after 3.1.7.

## Affected products

- Adobe Substance3D Stager 3.1.7 and earlier

## Timeline

- 2026-03-10: disclosed
- 2026-03-10: advisory: APSB26-29 security update published

## 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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