CVE-2026-21298

Unknown Unknown - Not Provided

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

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Adobe Systems Incorporated

Description

Substance3D - Modeler versions 1.22.4 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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-01-13

Last Modified

2026-01-13

Generated

2026-07-06

AI Q&A

2026-01-14

EPSS Evaluated

2026-07-05

NVD

CVE-2026-21298

EUVD

EUVD-2026-2037

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	substance3d_modeler	to 1.22.4 (exc)

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 vulnerability is an out-of-bounds write in Substance3D - Modeler versions 1.22.4 and earlier. It can allow an attacker to execute arbitrary code with the privileges of the current user. Exploitation requires the victim to open a malicious file, which triggers the vulnerability.

Impact Analysis

If exploited, this vulnerability can lead to arbitrary code execution, potentially allowing an attacker to take control of the affected system with the current user's privileges. This could result in data loss, system compromise, or other malicious activities.

Mitigation Strategies

To mitigate this vulnerability, avoid opening files from untrusted or unknown sources in Substance3D - Modeler versions 1.22.4 and earlier. Ensure that users are aware of the risk of opening malicious files, as exploitation requires user interaction. Additionally, update Substance3D - Modeler to a version later than 1.22.4 once a patch is available.

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