CVE-2026-21339: Substance3D - Designer | Out-of-bounds Read (CWE-125)
Published Feb 10, 2026
·Updated
Substance3D - Designer versions 15.1.0 and earlier are affected by an out-of-bounds read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
2 affected components
Substance3D Designer<=15.1.0
Adobe Substance 3D Designer<15.1.2
Event History
Feb 10, 2026
CVE Published
via MITRE·06:08 PM
Data Sourced
via MITRE·06:08 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-21339?
CVE-2026-21339 is classified as a medium severity vulnerability.
2
How do I fix CVE-2026-21339?
To fix CVE-2026-21339, update Substance3D Designer to version 15.1.1 or later.
3
What versions of Substance3D Designer are affected by CVE-2026-21339?
Substance3D Designer versions 15.1.0 and earlier are affected by CVE-2026-21339.
4
What type of vulnerability is CVE-2026-21339?
CVE-2026-21339 is an out-of-bounds read vulnerability (CWE-125) that can lead to memory exposure.
5
What could an attacker achieve by exploiting CVE-2026-21339?
An attacker exploiting CVE-2026-21339 could disclose sensitive information stored in memory.