CVE-2026-21341: Substance3D - Stager | Out-of-bounds Write (CWE-787)
Published Feb 10, 2026
·Updated
Substance3D - Stager versions 3.1.6 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
4 affected components
Substance3D Stager<=3.1.6
All of the following
Adobe Substance 3D Stager<3.1.7
Any of the following
Apple macOS
Microsoft Windows
Event History
Feb 10, 2026
CVE Published
via MITRE·06:16 PM
Data Sourced
via MITRE·06:16 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-21341?
CVE-2026-21341 is classified as a high severity vulnerability due to the potential for arbitrary code execution.
2
How do I fix CVE-2026-21341?
To mitigate CVE-2026-21341, upgrade Substance3D - Stager to version 3.1.7 or later.
3
What versions of Substance3D - Stager are affected by CVE-2026-21341?
Substance3D - Stager versions 3.1.6 and earlier are affected by CVE-2026-21341.
4
What are the consequences of exploiting CVE-2026-21341?
Exploitation of CVE-2026-21341 could lead to arbitrary code execution in the context of the current user.
5
Does CVE-2026-21341 require user interaction to exploit?
Yes, exploiting CVE-2026-21341 requires user interaction.