CVE-2026-21306: Substance3D - Sampler | Out-of-bounds Write (CWE-787)
Published Jan 13, 2026
·Updated
Substance3D - Sampler versions 5.1.0 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 Sampler<=5.1.0
Adobe Substance 3D Sampler<5.1.3
Event History
Jan 13, 2026
CVE Published
via MITRE·07:54 PM
Data Sourced
via MITRE·07:54 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Jan 6, 58022
Event
via FIRST·05:59 AM
Frequently Asked Questions
1
What is the severity of CVE-2026-21306?
CVE-2026-21306 has a high severity rating due to the potential for arbitrary code execution.
2
How do I fix CVE-2026-21306?
To fix CVE-2026-21306, update Substance3D - Sampler to version 5.1.1 or later.
3
What is the impact of CVE-2026-21306?
CVE-2026-21306 allows an attacker to execute arbitrary code in the context of the current user with interaction.
4
Which versions of Substance3D - Sampler are affected by CVE-2026-21306?
Substance3D - Sampler versions 5.1.0 and earlier are affected by CVE-2026-21306.
5
Does CVE-2026-21306 require user interaction for exploitation?
Yes, exploitation of CVE-2026-21306 requires user interaction.