CVE-2026-21342: Substance3D - Stager | Out-of-bounds Write (CWE-787)
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
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21342?
CVE-2026-21342 is classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2026-21342?
To mitigate the risks associated with CVE-2026-21342, users should update to Substance3D Stager version 3.1.7 or later.
What causes the CVE-2026-21342 vulnerability?
CVE-2026-21342 is caused by an out-of-bounds write issue that can allow attackers to execute arbitrary code.
Which versions of Substance3D Stager are affected by CVE-2026-21342?
Substance3D Stager versions 3.1.6 and earlier are affected by CVE-2026-21342.
Does CVE-2026-21342 require user interaction for exploitation?
Yes, exploitation of CVE-2026-21342 requires user interaction.