--- title: "CVE-2026-103837: Substance3D Stager - Remote Code Execution" description: "Substance3D - Stager contains an out-of-bounds write vulnerability caused by improper memory handling, letting attackers execute arbitrary code in the context of the current user, exploit requires victim to open a malicious file." url: https://panop.io/threat-heartbeat/CVE-2026-103837/ --- # CVE-2026-103837 Substance3D Stager - Remote Code Execution Substance3D - Stager contains an out-of-bounds write vulnerability caused by improper memory handling, letting attackers execute arbitrary code in the context of the current user, exploit requires victim to open a malicious file. CVSS base score 7.8 /10 High CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.15% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-103837) ## Details Type Remote Code Execution Impact Remote Code Execution CVSS vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Published 13 October 2026 Updated 15 October 2026 Weakness [CWE-787](https://cwe.mitre.org/data/definitions/787.html) ## Vendor fix Update to the latest version. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-103837](https://nvd.nist.gov/vuln/detail/CVE-2026-103837) - [https://www.adobe.com/trust/security/products/substance3d-stager/apsb26-170.html](https://www.adobe.com/trust/security/products/substance3d-stager/apsb26-170.html) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)