CVE-2026-21298
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
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.
Risk Assessment
The risk to the organization includes potential takeover of a user's workstation, leading to data theft, malware installation, or lateral movement. User interaction is required, reducing the likelihood of automated attacks.
Recommendation
It is recommended to immediately update Substance3D - Modeler to the latest available version that includes the fix. Additionally, instruct users not to open files from 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-2026-21299High
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.
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.

