CVE-2026-21299: Substance3D - Modeler | Out-of-bounds Write (CWE-787)
Published Jan 13, 2026
·Updated
Substance3D - Modeler versions 1.22.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
2 affected components
Substance3D Modeler<=1.22.4
Adobe Substance 3d Modeler<1.22.5
Event History
Jan 13, 2026
CVE Published
via MITRE·08:20 PM
Data Sourced
via MITRE·08:20 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Jan 5, 58022
Event
via FIRST·10:16 PM
Frequently Asked Questions
1
What is the severity of CVE-2026-21299?
CVE-2026-21299 is classified as a high severity vulnerability due to its potential for arbitrary code execution.
2
How do I fix CVE-2026-21299?
To fix CVE-2026-21299, upgrade Substance3D - Modeler to version 1.22.5 or later.
3
What does CVE-2026-21299 affect?
CVE-2026-21299 affects Substance3D - Modeler versions 1.22.4 and earlier.
4
What type of vulnerability is CVE-2026-21299?
CVE-2026-21299 is an out-of-bounds write vulnerability classified under CWE-787.
5
What are the consequences of exploiting CVE-2026-21299?
Exploiting CVE-2026-21299 could lead to arbitrary code execution in the context of the current user.