Out-of-bounds Write Vulnerability in Substance3D Designer by Adobe
CVE-2026-21335

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-21335?

Substance3D Designer versions 15.1.0 and earlier are vulnerable to an out-of-bounds write vulnerability that allows for arbitrary code execution. This issue occurs when a user interacts with a malicious file, enabling an attacker to execute code with the privileges of the user. It's crucial for users to avoid opening untrusted files to mitigate the risk of exploitation.

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

.