CVE-2026-103843: Use After Free (CWE-416) in Adobe Adobe Substance 3D Stager
Description
Substance3D - Stager is affected by a Use After Free 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-2026-103843 is a Use After Free vulnerability in Adobe Substance 3D Stager that can lead to arbitrary code execution in the context of the current user. Successful exploitation depends on user interaction, where the victim must open a crafted malicious file. The vulnerability affects versions >=0 and <=3.1.8. The CVSS 3.1 vector indicates local attack vector with low complexity, no privileges required, but user interaction is necessary. The impact includes high confidentiality, integrity, and availability consequences.
Potential Impact
An attacker who successfully exploits this vulnerability can execute arbitrary code with the privileges of the current user, potentially leading to full compromise of the user's environment. The requirement for user interaction limits the attack vector but does not eliminate risk. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid opening files from untrusted sources to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-10-01T11:27:51.468Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ace92582cdf04f656a91117
Added to database: 10/13/2026, 20:19:36 UTC
Last enriched: 10/13/2026, 20:34:04 UTC
Last updated: 10/14/2026, 04:04:31 UTC
Views: 4
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