CVE-2026-48421
Received Received - Intake

Adobe Substance3D Sampler Out-of-Bounds Write Vulnerability

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Adobe Systems Incorporated

Description
Substance3D - Sampler 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
2026-08-25
Last Modified
2026-08-25
Generated
2026-08-25
AI Q&A
2026-08-25
EPSS Evaluated
N/A
NVD
CVE-2026-48421
EUVD
EUVD-2026-65645

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
adobe substance3d_sampler *

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 Sampler 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 handle memory boundaries.

Detection Guidance

Detection of this vulnerability requires monitoring for suspicious file interactions with Adobe Substance3D Sampler. Check for unexpected crashes or unusual behavior when opening files. Review system logs for Adobe Substance3D Sampler processes accessing memory outside expected ranges.

Impact Analysis

If exploited, this vulnerability could let attackers run malicious code on your system with the same permissions as your user account. This could lead to data theft, system damage, or installation of additional malware.

Compliance Impact

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

Mitigation Strategies

Immediately update Adobe Substance3D Sampler to the latest patched version. Avoid opening files from untrusted sources. Disable or restrict Adobe Substance3D Sampler until patched. Monitor Adobe security advisories for updates.

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