Out-of-Bounds Read Vulnerability in Substance3D - Stager by Adobe
CVE-2026-103841

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-103841?

Adobe's Substance3D - Stager is susceptible to an out-of-bounds read vulnerability when handling specially crafted files. This flaw allows for reading beyond the allocated memory, potentially leading to unauthorized code execution in the context of the user. Exploitation of this vulnerability requires that a victim open a malicious file, which underscores the importance of exercising caution when handling untrusted documents.

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

.