Use After Free Vulnerability in Substance3D by Adobe
CVE-2026-103843

7.8HIGH

Key Information:

Vendor

Adobe
Status
Adobe Substance 3d Stager
Vendor
CVE Published:
13 October 2026

What is CVE-2026-103843?

The Substance3D Stager application by Adobe is susceptible to a Use After Free vulnerability that could allow attackers to execute arbitrary code within the current user context. Successful exploitation of this vulnerability necessitates user interaction, requiring a victim to open a specially crafted malicious file. This flaw highlights the importance of maintaining security awareness and practicing safe file handling to mitigate potential risks.

Affected Version(s)

Adobe Substance 3D Stager 0 <= 3.1.8

Adobe Substance 3D Stager 3.1.9

References

https://www.adobe.com/trust/security/products/substance3d...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.