THREAT OPS › Threat News › [NVD] CVE-2026-21307 (HIGH 7.8) — 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 fi
[NVD] CVE-2026-21307 (HIGH 7.8) — 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 fi
CVE-2026-21307 CVSS: 7.8 HIGH Published: 2026-01-13T20:16:09.763
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.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-21307cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-21307