📄 Description (English)
InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Use After Free 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 InDesign versions 20.5.2, 21.2 and earlier contain a Use After Free vulnerability (CVE-2026-27283) with CVSS 7.8 that enables arbitrary code execution under the current user's privileges. The vulnerability requires user interaction through opening a malicious file, making it a significant threat to design professionals and organizations using InDesign for document creation. Currently, no patch is available and no public exploits exist, but the high CVSS score and code execution capability warrant immediate attention.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 29, 2026 11:20
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations in creative industries, government communications departments, and media organizations using Adobe InDesign are at elevated risk. Key affected sectors include: (1) Government agencies (NCA, Ministry of Media) producing official documents and communications; (2) Banking sector (SAMA-regulated institutions) using InDesign for marketing materials and reports; (3) Telecommunications (STC, Mobily) for promotional content; (4) Healthcare institutions for patient education materials; (5) Energy sector (ARAMCO) for technical documentation. The attack vector requiring user interaction makes social engineering campaigns targeting design teams particularly effective in the Saudi context.
🏢 Affected Saudi Sectors
Government (NCA, Ministry of Media, Ministry of Communications)
Banking and Financial Services (SAMA-regulated institutions)
Telecommunications (STC, Mobily, Zain)
Energy (ARAMCO, Saudi Electricity Company)
Healthcare (Ministry of Health, private hospitals)
Media and Publishing
Creative and Design Agencies
Education (Universities, Training Centers)
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Disable or restrict InDesign usage until patching is available, or implement application whitelisting to prevent execution of untrusted files
2. Educate users not to open InDesign files from untrusted sources, particularly via email or messaging platforms
3. Implement email gateway controls to block InDesign files (.indd, .idml) from external senders
4. Monitor for suspicious InDesign process behavior using EDR solutions
Compensating Controls:
1. Run InDesign in sandboxed environments or virtual machines when opening files from untrusted sources
2. Disable InDesign plugins from unknown vendors
3. Implement network segmentation to limit lateral movement if code execution occurs
4. Enable audit logging for InDesign file access and modifications
Detection Rules:
1. Monitor for InDesign process spawning child processes (cmd.exe, powershell.exe, etc.)
2. Alert on InDesign accessing unusual registry keys or system files
3. Track InDesign memory access patterns for heap corruption indicators
4. Monitor for InDesign process crashes followed by suspicious activity
Patching Guidance:
1. Check Adobe Security Bulletin regularly for patch availability
2. When patches are released, prioritize updating to versions 20.5.3+ or 21.3+
3. Test patches in non-production environments before enterprise deployment
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تعطيل أو تقييد استخدام InDesign حتى توفر التصحيحات، أو تطبيق قائمة بيضاء للتطبيقات لمنع تنفيذ الملفات غير الموثوقة
2. تثقيف المستخدمين بعدم فتح ملفات InDesign من مصادر غير موثوقة، خاصة عبر البريد الإلكتروني ومنصات المراسلة
3. تطبيق عناصر تحكم بوابة البريد الإلكتروني لحجب ملفات InDesign من المرسلين الخارجيين
4. مراقبة السلوك المريب لعملية InDesign باستخدام حلول EDR
الضوابط البديلة:
1. تشغيل InDesign في بيئات معزولة أو آلات افتراضية عند فتح ملفات من مصادر غير موثوقة
2. تعطيل إضافات InDesign من بائعين غير معروفين
3. تطبيق تقسيم الشبكة لتحديد الحركة الجانبية في حالة تنفيذ الأكواد
4. تفعيل تسجيل التدقيق لوصول وتعديل ملفات InDesign
قواعد الكشف:
1. مراقبة عملية InDesign التي تنتج عمليات فرعية (cmd.exe, powershell.exe, إلخ)
2. تنبيهات على InDesign الوصول إلى مفاتيح تسجيل أو ملفات نظام غير عادية
3. تتبع أنماط وصول ذاكرة InDesign لمؤشرات تلف الكومة
4. مراقبة أعطال عملية InDesign متبوعة بنشاط مريب
إرشادات التصحيح:
1. التحقق من نشرة أمان Adobe بانتظام لتوفر التصحيحات
2. عند إصدار التصحيحات، أولويات التحديث إلى الإصدارات 20.5.3+ أو 21.3+
3. اختبار التصحيحات في بيئات غير الإنتاج قبل نشرها على مستوى المؤسسة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Information Security Policies and Procedures
ECC 2024 A.6.1.1 - Access Control and User Management
ECC 2024 A.8.1.1 - Asset Management and Inventory
ECC 2024 A.12.2.1 - Change Management and Patch Management
ECC 2024 A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset Management and Inventory
SAMA CSF ID.RA-2 - Threat and Vulnerability Identification
SAMA CSF PR.IP-3 - Configuration Management
SAMA CSF PR.MA-2 - Address Identified Vulnerabilities
SAMA CSF DE.CM-8 - Vulnerability Scanning
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for Information Security
ISO 27001:2022 A.8.1 - Asset Management
ISO 27001:2022 A.8.2 - Information Classification
ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities
ISO 27001:2022 A.14.2 - System Development and Change Management
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security Patches and Updates
PCI DSS 6.3 - Vulnerability Management Program
PCI DSS 11.2 - Vulnerability Scanning
🔗 References & Sources 1
📦 Affected Products / CPE 2 entries
adobe:indesign
adobe:indesign