Out-of-Bounds Write Vulnerability in Substance3D Modeler by Adobe
CVE-2026-21298

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-21298?

Substance3D Modeler, developed by Adobe, contains an out-of-bounds write vulnerability that could enable arbitrary code execution in the context of the affected user. An attacker must convince the victim to open a specifically crafted malicious file, leading to potential exploitation. Users are advised to update to the latest version to mitigate the risk associated with this vulnerability.

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

.