PT-2026-40327 · Adobe · Substance3D - Painter

Published 2026-05-12 · Updated 2026-05-12 · CVE-2026-34676

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 - Painter versions prior to 12.0.3

Description An out-of-bounds write issue exists where memory is written outside the intended buffer, which could lead to arbitrary code execution in the context of the current user. This requires user interaction, specifically the opening of a malicious file.

Recommendations Update to a version later than 12.0.2.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-06797

CVE-2026-34676

Affected Products

Substance3D - Painter

References · 4

• https://helpx.adobe.com/security/products/substance3d_painter/apsb26-55.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34676 · Security Note
• https://bdu.fstec.ru/vul/2026-06797 · Security Note
• https://twitter.com/CVEnew/status/2054340976831783213 · Twitter Post