PatchTheCVECVE-2026-103830: Substance3D - Stager is affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary
CVE-2026-103830 is a high-severity flaw (CVSS 7.8) affecting substance 3d stager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Substance3D - Stager is affected by a Stack-based Buffer Overflow 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.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 93%) |
| CISA exploited list | No |
| Weakness | CWE-121 |
| Published | 2026-10-13 |
| Last modified | 2026-10-19 |
Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-103830?
substance 3d stager: upgrade to newer than 3.1.8. Exact commands for each OS are on this page.
Is CVE-2026-103830 being exploited?
CVE-2026-103830 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-103830 affect?
CVE-2026-103830 affects substance 3d stager. Severity is high (CVSS 7.8). Substance3D - Stager is affected by a Stack-based Buffer Overflow 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 ope
How urgent is CVE-2026-103830?
Priority 29/100. High severity
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