CVE-2026-21306
Unknown Unknown - Not Provided
Out-of-Bounds Write in Substance3D Sampler Enables Code Execution

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Adobe Systems Incorporated

Description
Substance3D - Sampler versions 5.1.0 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
2026-01-13
Last Modified
2026-01-13
Generated
2026-06-16
AI Q&A
2026-01-14
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
adobe substance3d_sampler to 5.1.0 (exc)
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

This vulnerability is an out-of-bounds write in Substance3D - Sampler versions 5.1.0 and earlier. It can allow an attacker to execute arbitrary code with the privileges of the current user. Exploiting this vulnerability requires the victim to open a malicious file, meaning user interaction is necessary.

Impact Analysis

If exploited, this vulnerability can lead to arbitrary code execution on your system with the permissions of the current user. This could allow attackers to perform unauthorized actions such as installing malware, stealing data, or disrupting system operations.

Mitigation Strategies

To mitigate this vulnerability, avoid opening malicious files with Substance3D - Sampler versions 5.1.0 and earlier. Update to a version later than 5.1.0 if available, and ensure users are aware not to open untrusted files. Since exploitation requires user interaction, educating users and applying software updates are key mitigation steps.

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