CVE-2026-48422: Adobe Substance3D Sampler heap buffer overflow

CVE-2026-48422 · Severity: high · CVSS 7.8 · Published 2026-08-25

Adobe Substance3D Sampler is a 3D material and texture creation tool used by designers and artists. A heap buffer overflow vulnerability allows an attacker to execute arbitrary code on a user's system by tricking them into opening a specially crafted malicious file, potentially compromising their system and data.

Technologies: Adobe Substance 3D Sampler, Adobe Substance3D Sampler. Vendors: Adobe.

Quick answers

Is CVE-2026-48422 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-48422 being exploited in the wild.
How severe is CVE-2026-48422?
High severity, with a CVSS score of 7.8, published 25 August 2026.
Which products and versions are affected?
Adobe Substance3D Sampler.
Is there a fix for CVE-2026-48422?
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-2026-48422 attacked?
It is attacked with local access.
Am I affected by CVE-2026-48422?
Check whether you run Adobe Substance 3D Sampler or Adobe Substance3D Sampler. 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 heap-based buffer overflow in Adobe Substance3D Sampler that permits arbitrary code execution within the security context of the current user. The flaw is triggered when a victim opens a malicious file, indicating the attack vector requires user interaction and file handling functionality. No authentication is required beyond convincing the user to open the file. An attacker can achieve remote code execution with the privileges of the user running the application. Patch availability details are not confirmed from the provided sources.

Affected products

  • Adobe Substance3D Sampler

Timeline

  • 2026-08-25: disclosed

References

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