📄 Description (English)
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.
🤖 AI Executive Summary
Adobe Substance3D Sampler versions 5.1.0 and earlier contain an out-of-bounds write vulnerability (CVE-2026-21306) that enables arbitrary code execution with user privileges. The vulnerability requires user interaction through opening a malicious file, presenting moderate risk to creative professionals and design teams. A patch is available and should be deployed promptly to prevent potential compromise of design assets and systems.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 14:09
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations in creative and design sectors (advertising agencies, architectural firms, media production companies, and government design departments) are at risk. The vulnerability primarily affects design professionals using Substance3D Sampler for 3D asset creation. Government entities using Adobe Creative Cloud for official design work, and private sector companies in media/entertainment are most vulnerable. ARAMCO and other large enterprises with design teams could face intellectual property theft or system compromise if malicious files are distributed through supply chains.
🏢 Affected Saudi Sectors
Creative and Design Services
Media and Entertainment
Government (Design and Creative Departments)
Architecture and Engineering
Advertising and Marketing Agencies
Large Enterprises with Design Teams
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all systems running Substance3D Sampler versions 5.1.0 or earlier
- Restrict user access to opening untrusted 3D model files until patching is complete
- Educate users not to open Substance3D files from untrusted sources
2. PATCHING GUIDANCE:
- Update Substance3D Sampler to version 5.1.1 or later immediately
- Verify patch installation through Adobe's official update mechanism
- Test patches in non-production environment first
3. COMPENSATING CONTROLS:
- Implement application whitelisting to restrict Substance3D Sampler execution
- Use endpoint detection and response (EDR) solutions to monitor for suspicious process behavior
- Enable Windows Defender Exploit Guard or equivalent security features
- Restrict file execution from temporary directories
4. DETECTION RULES:
- Monitor for Substance3D Sampler process spawning child processes
- Alert on unusual memory access patterns or heap corruption indicators
- Track file access to sensitive directories from Substance3D Sampler process
- Monitor for network connections initiated by Substance3D Sampler
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع الأنظمة التي تقوم بتشغيل Substance3D Sampler الإصدارات 5.1.0 أو الأقدم
- تقييد وصول المستخدمين إلى فتح ملفات نماذج ثلاثية الأبعاد غير الموثوقة حتى اكتمال التصحيح
- تثقيف المستخدمين بعدم فتح ملفات Substance3D من مصادر غير موثوقة
2. إرشادات التصحيح:
- تحديث Substance3D Sampler إلى الإصدار 5.1.1 أو أحدث فوراً
- التحقق من تثبيت التصحيح من خلال آلية التحديث الرسمية من Adobe
- اختبار التصحيحات في بيئة غير الإنتاج أولاً
3. الضوابط البديلة:
- تنفيذ قائمة بيضاء للتطبيقات لتقييد تنفيذ Substance3D Sampler
- استخدام حلول الكشف والاستجابة للنقاط النهائية (EDR) لمراقبة السلوك المريب
- تفعيل Windows Defender Exploit Guard أو ميزات أمان معادلة
- تقييد تنفيذ الملفات من المجلدات المؤقتة
4. قواعد الكشف:
- مراقبة عملية Substance3D Sampler التي تولد عمليات فرعية
- التنبيه على أنماط الوصول إلى الذاكرة غير العادية أو مؤشرات تلف الكومة
- تتبع الوصول إلى الملفات من المجلدات الحساسة من عملية Substance3D Sampler
- مراقبة الاتصالات الشبكية التي تبدأها عملية Substance3D Sampler
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.6.2.1 - User access management and authentication
A.12.2.1 - Change management procedures
A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.IP-12 - Software development and change management
DE.CM-8 - Vulnerability scanning and management
RS.MI-2 - Incident response and containment
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development policy
A.12.2.1 - Change management
A.16.1.5 - Response to information security incidents
📦 Affected Products / CPE 1 entries
adobe:substance_3d_sampler