📄 Description (English)
Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code 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 read vulnerability (CVE-2026-21345) that could enable arbitrary code execution when users open malicious files. With a CVSS score of 7.8, this vulnerability poses a significant risk to creative professionals and design teams in Saudi organizations. While no public exploit is currently available, a patch has been released and immediate patching is recommended.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 19:55
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations in creative and design sectors including: advertising agencies, architectural firms, media production companies, and government design departments. Secondary impact on engineering firms using Substance3D for product visualization. Risk is elevated in organizations where designers receive files from external partners or untrusted sources. The requirement for user interaction (opening a malicious file) makes social engineering and supply chain attacks viable vectors in the Saudi business environment.
🏢 Affected Saudi Sectors
Creative Services & Advertising
Architecture & Engineering
Media & Broadcasting
Government Design Departments
Product Design & Manufacturing
Education & Training Institutions
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Substance3D Stager installations across the organization (versions 3.1.6 and earlier)
2. Restrict file opening from untrusted sources until patching is complete
3. Disable Substance3D Stager if not actively required
PATCHING GUIDANCE:
1. Update to Substance3D Stager version 3.1.7 or later immediately
2. Prioritize patching for systems handling external design files
3. Test patches in non-production environment first
4. Deploy patches within 7 days of release
COMPENSATING CONTROLS (if immediate patching not possible):
1. Implement application whitelisting to restrict Substance3D execution
2. Use file type filtering to block suspicious file formats at email gateways
3. Educate users on risks of opening files from untrusted sources
4. Monitor file access patterns for Substance3D
DETECTION RULES:
1. Monitor for Substance3D process crashes or unexpected terminations
2. Alert on Substance3D opening files from external sources
3. Track process execution following Substance3D file operations
4. Monitor for memory access violations in Substance3D logs
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تثبيتات Substance3D Stager عبر المنظمة (الإصدارات 3.1.6 وما قبلها)
2. تقييد فتح الملفات من مصادر غير موثوقة حتى اكتمال التصحيح
3. تعطيل Substance3D Stager إذا لم يكن مطلوباً بشكل نشط
إرشادات التصحيح:
1. التحديث إلى Substance3D Stager الإصدار 3.1.7 أو أحدث فوراً
2. إعطاء الأولوية لتصحيح الأنظمة التي تتعامل مع ملفات التصميم الخارجية
3. اختبار التصحيحات في بيئة غير الإنتاج أولاً
4. نشر التصحيحات خلال 7 أيام من الإصدار
الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
1. تطبيق قائمة بيضاء للتطبيقات لتقييد تنفيذ Substance3D
2. استخدام تصفية نوع الملف لحظر تنسيقات الملفات المريبة على بوابات البريد الإلكتروني
3. تثقيف المستخدمين حول مخاطر فتح الملفات من مصادر غير موثوقة
4. مراقبة أنماط الوصول إلى الملفات لـ Substance3D
قواعد الكشف:
1. مراقبة أعطال عملية Substance3D أو الإنهاء غير المتوقع
2. التنبيه عند فتح Substance3D لملفات من مصادر خارجية
3. تتبع تنفيذ العملية بعد عمليات ملف Substance3D
4. مراقبة انتهاكات الوصول إلى الذاكرة في سجلات Substance3D
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.14.2.1 - Secure development policy
ECC 2024 A.12.2.1 - Monitoring and logging
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification
PR.IP-12 - Software security and patch management
DE.CM-8 - Vulnerability scans and assessments
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities
A.14.2.1 - Secure development and change management
A.12.2.1 - Information and event logging
📦 Affected Products / CPE 1 entries
adobe:substance_3d_stager