📄 Description (English)
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.
🤖 AI Executive Summary
Adobe Substance3D Stager versions 3.1.6 and earlier contain an out-of-bounds write vulnerability (CVE-2026-21342) that enables arbitrary code execution with user privileges. The vulnerability requires user interaction through opening a malicious file, presenting a moderate-to-high risk for organizations using this 3D design tool. A patch is available and should be deployed promptly to prevent potential compromise of design and creative workflows.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 17:08
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations in creative industries, architecture, engineering, and media production sectors using Substance3D Stager face direct risk. Government entities (particularly those under NCA oversight) using 3D design tools for infrastructure planning, and private sector companies in construction, automotive, and entertainment industries are most vulnerable. The vulnerability could lead to unauthorized access to sensitive design intellectual property, project specifications, and potentially lateral movement within corporate networks if the affected user has elevated privileges.
🏢 Affected Saudi Sectors
Architecture and Engineering
Media and Entertainment
Government (Design and Infrastructure Planning)
Construction and Real Estate
Automotive and Manufacturing
Education and Research Institutions
Advertising and Creative Agencies
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all instances of Substance3D Stager versions 3.1.6 and earlier across the organization
- Restrict user access to opening files from untrusted sources until patching is complete
- Disable Substance3D Stager if not critical to operations pending patch deployment
2. PATCHING GUIDANCE:
- Update to Substance3D Stager version 3.1.7 or later immediately
- Prioritize patching for users who frequently receive external design files
- Test patches in non-production environment before enterprise deployment
3. COMPENSATING CONTROLS (if immediate patching not possible):
- Implement application whitelisting to restrict Substance3D Stager execution
- Use file integrity monitoring on design file directories
- Restrict file format associations for .ssg and related Substance3D formats
- Implement network segmentation to isolate design workstations
4. DETECTION RULES:
- Monitor for Substance3D Stager process crashes or unexpected terminations
- Alert on suspicious child processes spawned from Substance3D Stager
- Track file access patterns to design repositories from affected versions
- Monitor for unusual network connections from design workstations
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع نسخ Substance3D Stager الإصدار 3.1.6 والإصدارات الأقدم في المنظمة
- تقييد وصول المستخدمين إلى فتح الملفات من مصادر غير موثوقة حتى اكتمال التصحيح
- تعطيل Substance3D Stager إذا لم يكن حرجاً للعمليات في انتظار نشر التصحيح
2. إرشادات التصحيح:
- التحديث إلى Substance3D Stager الإصدار 3.1.7 أو أحدث فوراً
- إعطاء الأولوية لتصحيح المستخدمين الذين يتلقون ملفات تصميم خارجية بشكل متكرر
- اختبار التصحيحات في بيئة غير الإنتاج قبل النشر على مستوى المؤسسة
3. الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
- تنفيذ قائمة بيضاء للتطبيقات لتقييد تنفيذ Substance3D Stager
- استخدام مراقبة سلامة الملفات على دلائل ملفات التصميم
- تقييد ارتباطات تنسيق الملفات لتنسيقات Substance3D
- تنفيذ تقسيم الشبكة لعزل محطات العمل الخاصة بالتصميم
4. قواعد الكشف:
- مراقبة أعطال عملية Substance3D Stager أو الإنهاء غير المتوقع
- التنبيه على العمليات الفرعية المريبة المنبثقة من Substance3D Stager
- تتبع أنماط الوصول إلى ملفات التصميم من الإصدارات المتأثرة
- مراقبة الاتصالات الشبكية غير العادية من محطات العمل الخاصة بالتصميم
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Information Security Policies and Procedures
ECC 2024 A.6.1.1 - Organization of Information Security
ECC 2024 A.12.3.1 - Segregation of Development, Test and Production Environments
ECC 2024 A.14.2.1 - Secure Development Policy
🔵 SAMA CSF
ID.AM-2 - Software Inventory and Management
PR.IP-12 - Software Development and Quality Assurance
DE.CM-4 - Malicious Code Detection
RS.MI-2 - Incident Response and Management
🟡 ISO 27001:2022
A.12.2.1 - Change Management
A.12.6.1 - Management of Technical Vulnerabilities
A.14.2.1 - Secure Development Policy
A.14.2.5 - Secure Development Environment
📦 Affected Products / CPE 1 entries
adobe:substance_3d_stager