Out-of-Bounds Write Vulnerability in Substance3D Modeler by Adobe
CVE-2026-21299

7.8HIGH

Key Information:

Vendor

Adobe
Status
Substance3d - Modeler
Vendor
CVE Published:
13 January 2026

What is CVE-2026-21299?

Adobe Substance3D Modeler prior to version 1.22.5 is susceptible to an out-of-bounds write vulnerability. Successful exploitation of this flaw could allow an attacker to execute arbitrary code within the context of the user. This typically requires the user to interactively open a specially crafted malicious file, leading to potential unauthorized access and system compromise.

Affected Version(s)

Substance3D - Modeler 0 <= 1.22.4

Substance3D - Modeler 1.22.5

References

https://helpx.adobe.com/security/products/substance3d-mod...
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

.