Out-of-bounds Write Vulnerability in Substance3D by Adobe
CVE-2026-48420

7.8HIGH

Key Information:

Vendor

Adobe
Status
Adobe Substance 3d Sampler
Vendor
CVE Published:
25 August 2026

What is CVE-2026-48420?

The Substance3D - Sampler by Adobe is exposed to an out-of-bounds write vulnerability that can potentially enable arbitrary code execution within the scope of the current user. This exploit necessitates user interaction, as it requires the target individual to open a specially crafted malicious file which triggers the vulnerability.

Affected Version(s)

Adobe Substance 3D Sampler 0 <= 6.0.1

Adobe Substance 3D Sampler 0 <= 6.0.1

Adobe Substance 3D Sampler 6.0.3

References

https://helpx.adobe.com/security/products/substance3d-sam...
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

.