PT-2026-2791 · Adobe · Substance3D - Designer

Michele Spagnuolo · Published 2026-01-13 · Updated 2026-01-13 · CVE-2026-21308

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Substance3D - Designer versions 15.0.3 and earlier

Description Substance3D - Designer is affected by an Out-of-bounds Read issue that may result in memory exposure. An attacker could potentially use this to disclose sensitive information stored in memory. Successful exploitation requires user interaction, specifically a victim opening a malicious file.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2026-00593

CVE-2026-21308

Affected Products

Substance3D - Designer

References · 5

• https://bdu.fstec.ru/vul/2026-00593 · Security Note
• https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-21308 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21308 · Security Note
• https://twitter.com/CVEnew/status/2011181462746513549 · Twitter Post