📄 Description (English)
Substance3D - Stager versions 3.1.7 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 3.1.7 and earlier contain an out-of-bounds write vulnerability (CVE-2026-27273) 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 3D design tools. A patch is available and should be deployed promptly to prevent potential compromise of design workstations.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 29, 2026 11:21
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations in creative industries, architecture, engineering, and media production sectors using Substance3D Stager face elevated risk. Government entities (particularly those under NCA oversight) utilizing 3D design for infrastructure planning, and private sector companies in construction and manufacturing are vulnerable. ARAMCO and energy sector contractors using 3D modeling tools for facility design and visualization are at risk. The attack vector requires user interaction, limiting mass exploitation but creating targeted risk for design teams. Compromised workstations could lead to intellectual property theft, supply chain contamination, or lateral movement into critical networks.
🏢 Affected Saudi Sectors
Architecture and Engineering
Media and Creative Industries
Government (Infrastructure Planning)
Energy (ARAMCO and contractors)
Construction and Manufacturing
Product Design and Development
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Substance3D Stager installations across the organization using asset management tools
2. Restrict file opening permissions for Substance3D Stager files from untrusted sources
3. Implement email gateway rules to block .ssg and related Substance3D file formats from external sources
4. Disable Substance3D Stager if not actively required
PATCHING GUIDANCE:
1. Update all Substance3D Stager installations to version 3.1.8 or later immediately
2. Prioritize design workstations and shared design servers
3. Test patches in non-production environment first
4. Deploy patches within 7 days of availability
COMPENSATING CONTROLS (if patching delayed):
1. Implement application whitelisting on design workstations
2. Run Substance3D Stager in sandboxed environments or virtual machines
3. Restrict user privileges to standard (non-admin) accounts
4. Monitor file access logs for suspicious Substance3D file operations
DETECTION RULES:
1. Monitor for Substance3D Stager process spawning child processes (cmd.exe, powershell.exe)
2. Alert on unusual memory access patterns or heap corruption indicators
3. Track file modifications in design project directories
4. Monitor network connections initiated from Substance3D Stager process
5. Implement YARA rules for malicious Substance3D project files
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تثبيتات Substance3D Stager عبر المنظمة باستخدام أدوات إدارة الأصول
2. تقييد صلاحيات فتح الملفات لملفات Substance3D Stager من مصادر غير موثوقة
3. تطبيق قواعد بوابة البريد الإلكتروني لحظر تنسيقات ملفات Substance3D من مصادر خارجية
4. تعطيل Substance3D Stager إذا لم يكن مطلوباً بنشاط
إرشادات التصحيح:
1. تحديث جميع تثبيتات Substance3D Stager إلى الإصدار 3.1.8 أو أحدث فوراً
2. إعطاء الأولوية لمحطات عمل التصميم وخوادم التصميم المشتركة
3. اختبار التصحيحات في بيئة غير الإنتاج أولاً
4. نشر التصحيحات خلال 7 أيام من توفرها
الضوابط البديلة (إذا تأخر التصحيح):
1. تطبيق قائمة بيضاء للتطبيقات على محطات عمل التصميم
2. تشغيل Substance3D Stager في بيئات معزولة أو آلات افتراضية
3. تقييد امتيازات المستخدم للحسابات القياسية (غير الإدارية)
4. مراقبة سجلات الوصول إلى الملفات للعمليات المريبة
قواعد الكشف:
1. مراقبة عملية Substance3D Stager التي تولد عمليات فرعية
2. التنبيه على أنماط الوصول إلى الذاكرة غير العادية
3. تتبع تعديلات الملفات في دلائل مشاريع التصميم
4. مراقبة الاتصالات الشبكية من عملية Substance3D Stager
5. تطبيق قواعد YARA لملفات مشاريع Substance3D الضارة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.5.2.1 - User access management and authorization
A.8.1.1 - Asset inventory and management
A.12.2.1 - Change management procedures
A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
ID.AM-2 - Software inventory and management
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.5.2.1 - User access management
📦 Affected Products / CPE 1 entries
adobe:substance_3d_stager