CVE-2026-100131: Adobe Substance 3D Sampler out-of-bounds read

CVE-2026-100131 · Severity: medium · CVSS 5.5 · Published 2026-10-13

Adobe Substance 3D Sampler is a 3D asset creation and texturing tool used by designers and artists. An out-of-bounds memory read flaw allows an attacker to extract sensitive data from memory by tricking a user into opening a malicious file. While this specific vulnerability does not enable code execution, it could expose confidential information such as encryption keys or other sensitive data in memory.

Technologies: Adobe Substance 3D Sampler. Vendors: Adobe.

Quick answers

Is CVE-2026-100131 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-100131 being exploited in the wild.
How severe is CVE-2026-100131?
Medium severity, with a CVSS score of 5.5, published 13 October 2026.
Which products and versions are affected?
Adobe Substance 3D Sampler 6.0.3 and earlier.
Is there a fix for CVE-2026-100131?
Yes: fixed in Substance 3D Sampler 6.0.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-100131 attacked?
It is attacked with local access.
Am I affected by CVE-2026-100131?
Check whether you run Adobe Substance 3D Sampler 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: Substance 3D Sampler 6.0.4

Technical details

CVE-2026-100131 is an out-of-bounds read vulnerability (CWE-125) in Adobe Substance 3D Sampler that permits disclosure of sensitive memory contents. The vulnerability requires local file access and user interaction to open a crafted file; no privileges are required and the attack vector is local. An attacker gains the ability to read arbitrary memory regions, potentially exposing secrets.

Affected products

  • Adobe Substance 3D Sampler 6.0.3 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.