Out-of-bounds Read Vulnerability in Substance3D Designer by Adobe
CVE-2026-21308

5.5MEDIUM

Key Information:

Vendor

Adobe

Vendor
CVE Published:
13 January 2026

What is CVE-2026-21308?

Adobe Substance3D Designer versions 15.0.3 and earlier are susceptible to an Out-of-bounds Read vulnerability, which could potentially expose sensitive information held in memory. This issue necessitates user interaction, as an attacker would need the victim to open a maliciously crafted file for exploitation. It is crucial to ensure that users are educated on the risks associated with opening unfamiliar files to mitigate potential information disclosure.

Affected Version(s)

Adobe Substance 3D Designer 0 <= 15.0.3

Adobe Substance 3D Designer 15.1.0

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.