CVE-2026-83963
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Adobe Substance3D Modeler Out-of-Bounds Write Vulnerability

Publication date: 2026-09-22

Last updated on: 2026-09-22

Assigner: Adobe Systems Incorporated

Description
Substance3D - Modeler 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.

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Meta Information

Published
2026-09-22
Last Modified
2026-09-22
Generated
2026-09-22
AI Q&A
2026-09-22
EPSS Evaluated
N/A
NVD
CVE-2026-83963
EUVD
EUVD-2026-84798

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
adobe substance3d_modeler *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

Substance3D Modeler has an out-of-bounds write vulnerability that allows arbitrary code execution when a user opens a malicious file. This occurs because the software fails to properly validate memory boundaries during file processing.

Detection Guidance

Detection of this vulnerability requires monitoring for suspicious file activity or crashes in Adobe Substance3D Modeler. Check for unexpected crashes when opening files or unusual processes running after file interaction. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could let attackers run malicious code on your system with the same privileges as your user account. This could lead to data theft, system damage, or further network compromise. User interaction is required to trigger the issue.

Compliance Impact

This vulnerability could lead to arbitrary code execution, potentially allowing unauthorized access to sensitive data. This may impact compliance with GDPR by risking data breaches and HIPAA by exposing protected health information if exploited.

Mitigation Strategies

Immediately update Adobe Substance3D Modeler to the latest patched version. Avoid opening untrusted files or files from unknown sources. Disable automatic file opening in the application if possible.

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