CVE-2026-21342
Analyzed Analyzed - Analysis Complete

Out-of-Bounds Write in Substance3D Stager Enables Code Execution

Publication date: 2026-02-10

Last updated on: 2026-02-11

Assigner: Adobe Systems Incorporated

Description
Substance3D - Stager versions 3.1.6 and earlier are 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
2026-02-10
Last Modified
2026-02-11
Generated
2026-07-06
AI Q&A
2026-02-10
EPSS Evaluated
2026-07-05
NVD
CVE-2026-21342
EUVD
EUVD-2026-6369

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
adobe substance_3d_stager to 3.1.7 (exc)

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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

This vulnerability affects Substance3D - Stager versions 3.1.6 and earlier. It is an out-of-bounds write vulnerability, which means that the software writes data outside the boundaries of allocated memory. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user.

Exploitation requires user interaction, specifically that the victim opens a malicious file crafted by the attacker.

Impact Analysis

If exploited, this vulnerability can lead to arbitrary code execution in the context of the current user. This means an attacker could potentially run malicious code on your system with your user privileges.

The impact includes potential full compromise of the affected application and possibly further system compromise depending on the user's permissions.

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