PT-2026-7384 · Adobe · Substance3D - Designer

Jann Horn · Published 2026-02-10 · Updated 2026-02-10 · CVE-2026-21334

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 15.1.0 and earlier

Description The software for 3D model texturing, Adobe Substance 3D Designer, contains an out-of-bounds write issue in memory. Successful exploitation requires a user to open a specially crafted file and could allow an attacker to execute arbitrary code in the context of the current user.

Recommendations Update Substance3D - Designer to a version later than 15.1.0.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-01929

CVE-2026-21334

Affected Products

Substance3D - Designer

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-21334 · Security Note
• https://bdu.fstec.ru/vul/2026-01929 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21334 · Vendor Advisory
• https://helpx.adobe.com/security/products/substance3d_designer/apsb26-19.html · Vendor Advisory