CVE-2026-103838: 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-2026-103838 is an out-of-bounds write vulnerability in Adobe Substance 3D Stager that may allow an attacker to execute arbitrary code in the context of the current user. Successful exploitation depends on user interaction, specifically opening a crafted malicious file. The vulnerability affects versions >=0 and <=3.1.8. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
If exploited, this vulnerability could allow an attacker to execute arbitrary code with the privileges of the current user, potentially leading to full compromise of the affected system's confidentiality, integrity, and availability. However, exploitation requires the victim to open a malicious file, limiting the attack vector to scenarios involving user interaction.
Mitigation Recommendations
No official patch or remediation information is currently available. Users should exercise caution when opening files from untrusted sources. Monitor Adobe's advisories for updates regarding patches or official fixes.
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: 6ace92562cdf04f656a90f59
Added to database: 10/13/2026, 20:19:34 UTC
Last enriched: 10/13/2026, 20:34:26 UTC
Last updated: 10/13/2026, 21:05:51 UTC
Views: 4
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