CVE-2026-21299
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk11th percentile - higher than 11% of all known CVEs
Summary
A vulnerability in Substance3D - Modeler versions 1.22.4 and earlier is caused by an out-of-bounds write, which could allow arbitrary code execution in the context of the current user. Exploitation requires user interaction, specifically opening a malicious file.
Risk Assessment
The risk involves potential system compromise if a user opens a crafted file, leading to data theft, malware installation, or full workstation takeover.
Recommendation
Update Substance3D - Modeler to the latest patched version immediately. Also, avoid opening files from unknown or untrusted sources.
Other vulnerabilities in Substance3D - Modeler
See all- CVE-2026-21348Medium
Substance3D Modeler versions 1.22.5 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 requires user interaction – the victim must open a malicious file.
- CVE-2026-21303Medium
Substance3D - Modeler versions 1.22.4 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.
- CVE-2026-21302Medium
Substance3D - Modeler versions 1.22.4 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.
- CVE-2026-21298High
The vulnerability in Substance3D - Modeler versions 1.22.4 and earlier is caused by an out-of-bounds write, which could allow arbitrary code execution in the context of the current user. Exploitation requires user interaction, as the victim must open a malicious file.
Original NVD description (English source)
Substance3D - Modeler versions 1.22.4 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.

