CVE-2026-48379: Adobe Substance 3D Painter stack-based buffer overflow

CVE-2026-48379 · Severity: high · CVSS 7.8 · Published 2026-10-27

Substance 3D Painter, a 3D modeling and painting software used by creative professionals, contains a stack-based buffer overflow vulnerability that could allow attackers to execute arbitrary code on the user's system. An attacker must trick a user into opening a malicious file to trigger the exploit, potentially compromising the creative professional's system and any projects stored on it.

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

Quick answers

Is CVE-2026-48379 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-48379 being exploited in the wild.
How severe is CVE-2026-48379?
High severity, with a CVSS score of 7.8, published 27 October 2026.
Which products and versions are affected?
Adobe Substance 3d Painter 12.1.5 and earlier.
Is there a fix for CVE-2026-48379?
Yes: fixed in Substance 3D Painter 12.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-48379 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2026-48379?
Check whether you run Adobe Substance 3d Painter 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 Painter 12.2

Technical details

A stack-based buffer overflow (CWE-121) in Substance 3D Painter allows arbitrary code execution in the context of the current user when a malicious file is opened. The vulnerability requires local access and user interaction to open a crafted file, but no elevated privileges are needed. An attacker gains code execution with the user's privileges once the file is opened.

Affected products

  • Adobe Substance 3D Painter 12.1.5 and earlier

Timeline

  • 2026-10-27: disclosed

References

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