PT-2026-2790 · Adobe · Substance3D - Designer

Michele Damico · Published 2026-01-13 · Updated 2026-01-13 · CVE-2026-21307

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 15.0.3 and earlier

Description The software contains an out-of-bounds write issue that may allow for arbitrary code execution with the privileges of the current user. User interaction is needed, specifically opening a malicious file, for exploitation to occur.

Recommendations Versions prior to 15.0.3 are vulnerable and should be updated.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-00622

CVE-2026-21307

Affected Products

Substance3D - Designer

References · 5

• https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-21307 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00622 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-21307 · Security Note
• https://twitter.com/CVEnew/status/2011181463895773542 · Twitter Post