CVE-2026-21307

Substance3D - Designer versions 15.0.3 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 v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:*

History

17 Jun 2026, 10:18

Type	Values Removed	Values Added
Summary		(es) Las versiones 15.0.3 y anteriores de Substance3D - Designer están afectadas por una vulnerabilidad de escritura fuera de límites que podría resultar en ejecución de código arbitrario en el contexto del usuario actual. La explotación de este problema requiere interacción del usuario en el sentido de que la víctima debe abrir un archivo malicioso.

14 Jan 2026, 17:57

Type	Values Removed	Values Added
CPE		cpe:2.3:a:adobe:substance_3d_designer::::::::
First Time		Adobe Adobe substance 3d Designer
References	~~() https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html -~~	() https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html - Vendor Advisory

13 Jan 2026, 20:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-13 20:16

Updated : 2026-06-17 10:18

NVD link : CVE-2026-21307

Mitre link : CVE-2026-21307

CVE.ORG link : CVE-2026-21307

JSON object : View

Products Affected

adobe

substance_3d_designer

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2026-21307", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21307", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-01-13T21:31:31.204574Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@adobe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "psirt@adobe.com", "affectedData": [{"vendor": "Adobe", "product": "Substance3D - Designer", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "15.0.3"}], "defaultStatus": "affected"}]}], "published": "2026-01-13T20:16:09.763", "references": [{"url": "https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html", "tags": ["Vendor Advisory"], "source": "psirt@adobe.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Substance3D - Designer versions 15.0.3 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."}, {"lang": "es", "value": "Las versiones 15.0.3 y anteriores de Substance3D - Designer est\u00e1n afectadas por una vulnerabilidad de escritura fuera de l\u00edmites que podr\u00eda resultar en ejecuci\u00f3n de c\u00f3digo arbitrario en el contexto del usuario actual. La explotaci\u00f3n de este problema requiere interacci\u00f3n del usuario en el sentido de que la v\u00edctima debe abrir un archivo malicioso."}], "lastModified": "2026-06-17T10:18:27.823", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A490AE76-8B57-4B39-9A8A-0327D3C8E592", "versionEndExcluding": "15.1.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@adobe.com"}