CVE-2026-21305
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
The vulnerability in Substance3D - Painter versions 11.0.3 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 - Painter to the latest patched version immediately. Also, avoid opening files from unknown or untrusted sources.
Other vulnerabilities in Substance3D - Painter
See all- CVE-2026-75770High
Substance3D - Painter is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction, such as opening a malicious file.
- CVE-2026-75769High
Substance3D - Painter is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction, such as opening a malicious file.
- CVE-2026-75768High
Substance3D - Painter is affected by an Untrusted Search Path vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation requires user interaction - the victim must open a malicious file.
- CVE-2026-75767High
Substance3D - Painter is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction - the victim must open a malicious file.
- CVE-2026-75766High
Substance3D - Painter is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction - the victim must open a malicious file.
- CVE-2026-75752Medium
Substance3D - Painter is affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- CVE-2026-75750High
Substance3D - Painter is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction - the victim must open a malicious file.
- CVE-2026-75749High
Substance3D - Painter is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation requires user interaction - the victim must open a malicious file.
- CVE-2026-34676High
Substance3D - Painter versions 12.0.2 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.
- CVE-2026-34675High
Substance3D - Painter versions 12.0.2 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.
Original NVD description (English source)
Substance3D - Painter versions 11.0.3 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.