CVE-2026-103839: Substance3D - Stager | Out-of-bounds Write (CWE-787)
Published Oct 13, 2026
·Updated
Substance3D - Stager is 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
1 affected component
Adobe Substance 3D Stager
Event History
Oct 13, 2026
CVE Published
via MITRE·07:59 PM
Data Sourced
via MITRE·07:59 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
An attacker must convince a victim to open a malicious file in Substance 3D Stager. The vulnerability is locally exploitable and requires user interaction, but no privileges are required.
2
What is the potential impact if exploitation succeeds?
Successful exploitation could result in arbitrary code execution in the context of the current user. Confidentiality, integrity, and availability impacts are all rated high.