CVE-2026-103834: Out-of-bounds Write (CWE-787) in Adobe Adobe Substance 3D Stager
Description
Substance3D - Stager is 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.
CVSS v3.1
Score 7.8high
Affected software
Adobe
Adobe Substance 3D Stager
pkg:github/adobe/substance3d-stagerRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-103834 is an out-of-bounds write vulnerability in Adobe Substance 3D Stager. This flaw could lead to arbitrary code execution in the context of the current user if a victim opens a crafted malicious file. The vulnerability affects all versions from 0 through 3.1.8 inclusive. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, but requires user interaction. The impact includes high confidentiality, integrity, and availability impact.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code with the privileges of the current user, potentially leading to full compromise of the user's environment. However, exploitation requires the victim to open a malicious file, limiting the attack vector to user interaction.
Mitigation Recommendations
No official patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the Adobe vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening untrusted files with Adobe Substance 3D Stager.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-10-01T11:26:24.768Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ace92562cdf04f656a90f55
Added to database: 10/13/2026, 20:19:34 UTC
Last enriched: 10/13/2026, 20:34:42 UTC
Last updated: 10/13/2026, 21:05:51 UTC
Views: 6
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