CVE-2026-21342 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

References

Link	Providers
https://helpx.adobe.com/security/products/substance3d_stager/apsb26-20.html

History

Tue, 10 Feb 2026 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 10 Feb 2026 18:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Substance3D - Stager \| Out-of-bounds Write (CWE-787)
Weaknesses		CWE-787
References		https://helpx.adobe.com/security/products/substance3d_stager/apsb26-20.html
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: adobe

Published: 2026-02-10T18:16:27.134Z

Updated: 2026-02-10T20:11:16.437Z

Reserved: 2025-12-12T22:01:18.196Z

Link: CVE-2026-21342

Vulnrichment

Updated: 2026-02-10T20:11:09.480Z

NVD

Status : Awaiting Analysis

Published: 2026-02-10T19:15:56.613

Modified: 2026-02-10T21:51:48.077

Link: CVE-2026-21342

Redhat

No data.

OpenCVE Enrichment

No data.

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