What’s Vulnerable › Vulnerabilities
CVE-2026-21307: Substance3D - Designer | Out-of-bounds Write (CWE-787)
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-01-13 · updated 2026-08-28
- Weakness: CWE-787
Description
Substance3D - Designer versions 15.0.3 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected products
- Adobe Substance 3D Designer: before 15.1.0 — fixed in 15.1.0
How to fix
Upgrade to a fixed version: Adobe Substance 3D Designer 15.1.0. Check the vendor advisory for mitigations.
References
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