📄 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-2026-21344) with a CVSS score of 7.8 that could enable arbitrary code execution when users open malicious files. While no public exploit is currently available, the vulnerability requires only user interaction and affects a widely-used 3D design tool. Saudi organizations in creative industries, engineering, and government design departments should prioritize patching to version 3.1.7 or later.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 17:10
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations in: (1) Government design and engineering departments (Ministry of Defense, ARAMCO engineering divisions, Saudi Aramco's digital transformation initiatives); (2) Creative and media production companies (especially those supporting Vision 2030 digital content initiatives); (3) Architecture and construction firms working on major Saudi infrastructure projects; (4) Educational institutions with 3D design programs (King Fahd University of Petroleum and Minerals, Saudi universities). The attack vector requires user interaction, making it suitable for targeted spear-phishing campaigns against design professionals. Risk is elevated in organizations with limited endpoint security controls.
🏢 Affected Saudi Sectors
Government (Design & Engineering)
Energy (ARAMCO & Subsidiaries)
Architecture & Construction
Creative & Media Production
Education (Engineering Programs)
Manufacturing & Industrial Design
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all systems running Substance3D Stager versions 3.1.6 or earlier using asset inventory tools
2. Disable file associations for Substance3D file formats (.spp, .sbsar) until patching is complete
3. Implement email gateway rules to block Substance3D file attachments from external sources
4. Alert users not to open Substance3D files from untrusted sources
PATCHING GUIDANCE:
1. Update Adobe Substance3D Stager to version 3.1.7 or later immediately
2. Verify patch installation by checking Help > About menu for version confirmation
3. Test patched version with known-safe Substance3D files before resuming normal operations
4. Deploy patches via Adobe Creative Cloud desktop application or manual download from adobe.com
COMPENSATING CONTROLS (if immediate patching not possible):
1. Restrict Substance3D Stager execution to isolated virtual machines or sandboxed environments
2. Implement application whitelisting to prevent unauthorized code execution
3. Enable Windows Defender Application Guard or similar sandboxing technology
4. Monitor process execution for Substance3D Stager with EDR solutions
DETECTION RULES:
1. Monitor for Substance3D Stager process crashes or unexpected terminations
2. Alert on Substance3D Stager spawning child processes (cmd.exe, powershell.exe, etc.)
3. Track file access patterns for .spp and .sbsar files from external/untrusted locations
4. Monitor memory access violations and access violation exceptions from Substance3D processes
5. Implement YARA rule: detect_substance3d_malicious_files.yar (available from Adobe security advisories)
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تقوم بتشغيل Substance3D Stager الإصدارات 3.1.6 أو أقدم باستخدام أدوات جرد الأصول
2. تعطيل ارتباطات الملفات لتنسيقات ملفات Substance3D (.spp, .sbsar) حتى اكتمال التحديث
3. تطبيق قواعد بوابة البريد الإلكتروني لحظر مرفقات ملفات Substance3D من المصادر الخارجية
4. تنبيه المستخدمين بعدم فتح ملفات Substance3D من مصادر غير موثوقة
إرشادات التصحيح:
1. تحديث Adobe Substance3D Stager إلى الإصدار 3.1.7 أو أحدث فوراً
2. التحقق من تثبيت التصحيح بفحص إصدار القائمة Help > About
3. اختبار الإصدار المصحح مع ملفات Substance3D الآمنة المعروفة قبل استئناف العمليات العادية
4. نشر التصحيحات عبر تطبيق Adobe Creative Cloud أو التنزيل اليدوي من adobe.com
الضوابط البديلة (إذا لم يكن التحديث الفوري ممكناً):
1. تقييد تنفيذ Substance3D Stager على الأجهزة الافتراضية المعزولة أو البيئات المحصورة
2. تطبيق قائمة بيضاء للتطبيقات لمنع تنفيذ الأكواد غير المصرح بها
3. تفعيل Windows Defender Application Guard أو تقنية حماية مماثلة
4. مراقبة تنفيذ العمليات لـ Substance3D Stager باستخدام حلول EDR
قواعد الكشف:
1. مراقبة أعطال عملية Substance3D Stager أو الإنهاء غير المتوقع
2. التنبيه عند قيام Substance3D Stager بإنشاء عمليات فرعية (cmd.exe, powershell.exe, إلخ)
3. تتبع أنماط الوصول إلى الملفات لملفات .spp و .sbsar من مواقع خارجية/غير موثوقة
4. مراقبة انتهاكات الوصول إلى الذاكرة من عمليات Substance3D
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.6.1.1 - Access control and user management
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.5.2.1 - Information security responsibilities
📦 Affected Products / CPE 1 entries
adobe:substance_3d_stager