CVE-2026-103851

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Stack-based Buffer Overflow in Adobe Substance3D Stager

Publication date: 2026-10-13

Last updated on: 2026-10-15

Assigner: Adobe Systems Incorporated

Description

Substance3D - Stager is affected by a Stack-based Buffer Overflow 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 Scores

EPSS Scores

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Meta Information

Published

2026-10-13

Last Modified

2026-10-15

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-103851

EUVD

EUVD-2026-100587

Affected Vendors & Products

Vendor	Product	Version / Range
Adobe	Adobe	Substance 3D Stager 0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-121	A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Attack-Flow Graph

Executive Summary

This is a stack-based buffer overflow vulnerability in Adobe Substance 3D Stager. It allows arbitrary code execution on the victim's system when they open a specially crafted malicious file. The attack requires user interaction to trigger.

Detection Guidance

Detection requires monitoring for crashes or unusual behavior when opening files in Substance3D Stager. Check for application logs indicating buffer overflow errors or memory corruption after file operations.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your computer with the same privileges as your user account. This could lead to data theft, system damage, or installation of additional malware. The attacker needs you to open a malicious file to succeed.

Compliance Impact

This vulnerability could lead to unauthorized code execution, potentially exposing sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (health information security) by increasing the risk of data breaches or unauthorized access to personal or health-related data.

Mitigation Strategies

Avoid opening untrusted files in Substance3D Stager. Update to the latest patched version if available. Disable automatic file opening from untrusted sources. Monitor Adobe security advisories for patches.

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