Out-of-Bounds Read Vulnerability in Substance3D Designer by Adobe
CVE-2026-21339

5.5MEDIUM

Key Information:

Vendor

Adobe
Status
Substance3d - Designer
Vendor
CVE Published:
10 February 2026

What is CVE-2026-21339?

Substance3D Designer versions 15.1.0 and earlier are vulnerable to an out-of-bounds read issue, which can result in the exposure of sensitive information from memory. This vulnerability requires user interaction, as it is triggered when a victim opens a specially crafted file. Attackers may exploit this flaw to gain unauthorized access to confidential data stored within the application's memory.

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Affected Version(s)

Substance3D - Designer 0 <= 15.1.0

References

https://helpx.adobe.com/security/products/substance3d_des...
vendor-advisory

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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