CVE-2026-103838

Undergoing Analysis Undergoing Analysis - In Progress

Out-of-Bounds Write 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 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 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-2026-103838

EUVD

EUVD-2026-100588

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

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

Attack-Flow Graph

Executive Summary

This is an out-of-bounds write vulnerability in Adobe Substance3D Stager. It allows arbitrary code execution when a user opens a specially crafted malicious file. The issue requires user interaction to trigger.

Detection Guidance

Detection requires monitoring for suspicious file activity or crashes when opening files in Substance3D Stager. Check for crashes or unexpected behavior when processing files. 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.

Mitigation Strategies

Avoid opening untrusted files in Substance3D Stager. Update to the latest patched version if available. Disable automatic file opening from untrusted sources.

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