PT-2026-7388 · Adobe · Substance3D - Designer

Jann Horn · Published 2026-02-10 · Updated 2026-02-10 · CVE-2026-21338

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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, Substance 3D Designer, is subject to a NULL Pointer Dereference issue. Successful exploitation of this issue could result in a denial-of-service condition, causing the application to crash and disrupting services. Exploitation requires a user to open a specially crafted malicious file.

Recommendations Versions prior to 15.1.0 should be updated.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2026-01933

CVE-2026-21338

Affected Products

Substance3D - Designer

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-21338 · Security Note
• https://helpx.adobe.com/security/products/substance3d_designer/apsb26-19.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01933 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21338 · Vendor Advisory