Is CVE-2026-34681 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-34681 being exploited in the wild.

How severe is CVE-2026-34681?

High severity, with a CVSS score of 7.8, published 12 May 2026.

Which products and versions are affected?

Adobe Substance 3d Designer 15.1.0 and earlier.

Is there a fix for CVE-2026-34681?

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-2026-34681 attacked?

It is attacked with local access, in a network appliance.

Am I affected by CVE-2026-34681?

Check whether you run Adobe Substance 3d Designer 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.

CVE-2026-34681: Adobe Substance 3D Designer out-of-bounds write

CVE-2026-34681 · Severity: high · CVSS 7.8 · Published 2026-05-12

Adobe Substance 3D Designer, a professional tool for creating 3D materials and textures, is affected by a security flaw that could allow an attacker to take control of a user's computer. To exploit this, an attacker must trick a user into opening a specially crafted malicious file. Successful exploitation could lead to unauthorized access to data or the installation of malicious software on the victim's system.

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

Quick answers

Is CVE-2026-34681 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-34681 being exploited in the wild.
How severe is CVE-2026-34681?: High severity, with a CVSS score of 7.8, published 12 May 2026.
Which products and versions are affected?: Adobe Substance 3d Designer 15.1.0 and earlier.
Is there a fix for CVE-2026-34681?: 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-2026-34681 attacked?: It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-34681?: Check whether you run Adobe Substance 3d Designer 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

An out-of-bounds write vulnerability (CWE-787) exists in Adobe Substance 3D Designer versions 15.1.0 and earlier. The flaw occurs when the application processes a specially crafted file, leading to memory corruption. An attacker can exploit this by convincing a victim to open a malicious project or asset file. Successful exploitation allows for arbitrary code execution in the context of the current user. Adobe has addressed this issue in newer versions, and users are advised to update to the latest release.

Affected products

Adobe Substance 3D Designer 15.1.0 and earlier

Timeline

2026-05-12: disclosed: Initial disclosure by Adobe
2026-05-12: advisory: Adobe security bulletin APSB26-52 published

References

https://helpx.adobe.com/security/products/substance3d_designer/apsb26-52.html

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