PT-2026-40347 · Adobe · Substance3D - Designer

Published 2026-05-12 · Updated 2026-05-12 · CVE-2026-34684

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Substance3D - Designer versions prior to 15.1.1

Description An out-of-bounds write occurs when the software writes data past the end of an intended buffer, which could lead to arbitrary code execution in the context of the current user. Exploitation requires user interaction, specifically the opening of a malicious file.

Recommendations Update to a version later than 15.1.0.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-06903

CVE-2026-34684

Affected Products

Substance3D - Designer

References · 4

• https://helpx.adobe.com/security/products/substance3d_designer/apsb26-52.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34684 · Security Note
• https://bdu.fstec.ru/vul/2026-06903 · Security Note
• https://twitter.com/CVEnew/status/2054340962957086915 · Twitter Post