Out-of-bounds Write Vulnerability in Substance3D Designer by Adobe
CVE-2026-34684

5.5MEDIUM

Key Information:

Vendor

Adobe
Status
Substance3d - Designer
Vendor
CVE Published:
12 May 2026

What is CVE-2026-34684?

Adobe Substance3D Designer versions 15.1.0 and earlier are susceptible to an out-of-bounds write vulnerability that may allow an attacker to execute arbitrary code within the context of the current user. To exploit this flaw, a user must interact with a maliciously crafted file, leading to potential unauthorized access and execution of arbitrary commands.

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

.