CVE-2026-103841: Adobe Substance 3D Stager out-of-bounds read in file parsing

CVE-2026-103841 · Severity: high · CVSS 7.8 · Published 2026-10-13

Adobe Substance 3D Stager is a 3D design and asset creation tool used by creative professionals. Multiple memory corruption vulnerabilities in file parsing could allow an attacker to execute arbitrary code when a victim opens a specially crafted file. No exploits in the wild have been reported.

Technologies: Adobe Substance 3d Stager. Vendors: Adobe.

Quick answers

Is CVE-2026-103841 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-103841 being exploited in the wild.
How severe is CVE-2026-103841?
High severity, with a CVSS score of 7.8, published 13 October 2026.
Which products and versions are affected?
Adobe Substance 3d Stager 3.1.8 and earlier.
Is there a fix for CVE-2026-103841?
Yes: fixed in 3.1.9. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-103841 attacked?
It is attacked with local access, in a web application.
Am I affected by CVE-2026-103841?
Check whether you run Adobe Substance 3d Stager 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.

How to fix

  • Fixed in: 3.1.9

Technical details

CVE-2026-103841 is an out-of-bounds read vulnerability triggered during parsing of malicious files, allowing memory exposure and code execution. The vulnerability requires local access and user interaction to open a crafted file; no authentication or elevated privileges are needed. A fix is available in version 3.1.9.

Affected products

  • Adobe Substance 3D Stager 3.1.8 and earlier

Timeline

  • 2026-10-13: disclosed
  • 2026-10-13: patched

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.