Out-of-Bounds Write Vulnerability in Substance3D Designer by Adobe
CVE-2025-21166

7.8HIGH

Key Information:

Vendor

Adobe
Status
Substance3d - Designer
Vendor
CVE Published:
8 July 2025

What is CVE-2025-21166?

Substance3D Designer versions 14.1 and earlier are susceptible to an out-of-bounds write vulnerability. This flaw may allow an attacker to execute arbitrary code within the context of the user's environment. To exploit this vulnerability, a malicious file must be opened by the victim, triggering the potential for unauthorized actions.

Affected Version(s)

Substance3D - Designer 0 <= 14.1

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

.