PT-2026-2789 · Adobe · Substance3D - Sampler

Published 2025-08-12 · Updated 2026-01-13 · CVE-2026-21306

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 - Sampler versions 5.1.0 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. Successful exploitation requires a user to open a specially crafted malicious file.

Recommendations Versions prior to 5.1.0 should be used.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2026-00595

CVE-2026-21306

Affected Products

Substance3D - Sampler

References · 5

• https://osv.dev/vulnerability/CVE-2026-21306 · Vendor Advisory
• https://helpx.adobe.com/security/products/substance3d-sampler/apsb26-11.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21306 · Security Note
• https://bdu.fstec.ru/vul/2026-00595 · Security Note
• https://twitter.com/CVEnew/status/2011181474041712928 · Twitter Post