Out-of-Bounds Write Vulnerability in Substance3D Sampler by Adobe
CVE-2026-48421

7.8HIGH

Key Information:

Vendor

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

What is CVE-2026-48421?

Adobe's Substance3D Sampler is vulnerable to an out-of-bounds write issue that could allow an attacker to execute arbitrary code in the context of the current user. Successful exploitation requires user interaction, specifically the opening of a malicious file. Users are advised to ensure they are using the latest version to mitigate potential risks associated with this 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

.