Out-of-Bounds Write Vulnerability in Adobe Substance3D Designer
CVE-2026-34682

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-34682?

Adobe Substance3D Designer versions 15.1.0 and earlier exhibit an out-of-bounds write vulnerability that could allow an attacker to execute arbitrary code under the privileges of the current user. This security flaw requires user interaction, as the victim must open a specially crafted malicious file to exploit the vulnerability. Users are advised to update to fixed versions to mitigate potential risks.

Affected Version(s)

Substance3D - Designer 0 <= 15.1.0

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.