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Global phishing Multiple sectors HIGH 45m Global insider Cybersecurity Services CRITICAL 54m Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 1h Global malware Technology and Cloud Services HIGH 1h Global general Financial Services and E-commerce MEDIUM 1h Global data_breach Social Media and Communications CRITICAL 1h Global general Cybersecurity Operations HIGH 2h Global phishing Technology and Consumer Services HIGH 2h Global data_breach Multiple sectors HIGH 3h Global phishing Multiple sectors HIGH 45m Global insider Cybersecurity Services CRITICAL 54m Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 1h Global malware Technology and Cloud Services HIGH 1h Global general Financial Services and E-commerce MEDIUM 1h Global data_breach Social Media and Communications CRITICAL 1h Global general Cybersecurity Operations HIGH 2h Global phishing Technology and Consumer Services HIGH 2h Global data_breach Multiple sectors HIGH 3h Global phishing Multiple sectors HIGH 45m Global insider Cybersecurity Services CRITICAL 54m Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 1h Global malware Technology and Cloud Services HIGH 1h Global general Financial Services and E-commerce MEDIUM 1h Global data_breach Social Media and Communications CRITICAL 1h Global general Cybersecurity Operations HIGH 2h Global phishing Technology and Consumer Services HIGH 2h Global data_breach Multiple sectors HIGH 3h
Vulnerabilities

CVE-2023-26369

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Critical Adobe Acrobat and Reader Out-of-Bounds Write RCE Vulnerability
Published: Sep 14, 2023  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability — Adobe Acrobat and Reader contains an out-of-bounds write vulnerability that allows for code execution.

🤖 AI Executive Summary

Adobe Acrobat and Reader contain a critical out-of-bounds write vulnerability (CVSS 9.0) enabling remote code execution through malicious PDF files. This vulnerability poses an immediate threat to Saudi organizations as PDFs are ubiquitous in business operations. Exploitation requires minimal user interaction, making it highly dangerous for targeted attacks against government, banking, and corporate sectors.

📄 Description (Arabic)

تحتوي برامج Adobe Acrobat وReader على ثغرة أمنية حرجة من نوع الكتابة خارج حدود الذاكرة المخصصة والتي تمكّن المهاجمين من تنفيذ تعليمات برمجية ضارة على أنظمة الضحايا. يمكن استغلال هذه الثغرة عبر إرسال ملفات PDF خبيثة مُعدّة خصيصاً للمستخدمين المستهدفين. تم تأكيد الاستغلال النشط لهذه الثغرة في هجمات حقيقية مما يجعلها تهديداً مباشراً وعاجلاً. تُصنف هذه الثغرة بدرجة خطورة 9.0 من 10 مما يستوجب اتخاذ إجراءات تصحيحية فورية.

🤖 ملخص تنفيذي (AI)

يحتوي Adobe Acrobat و Reader على ثغرة كتابة خارج الحدود حرجة (CVSS 9.0) تمكن من تنفيذ الأكواد البعيدة عبر ملفات PDF ضارة. تشكل هذه الثغرة تهديداً فورياً للمنظمات السعودية حيث أن ملفات PDF منتشرة على نطاق واسع في العمليات التجارية. يتطلب الاستغلال تفاعلاً محدوداً من المستخدم، مما يجعله خطيراً جداً للهجمات الموجهة ضد القطاعات الحكومية والمصرفية والشركات.

🤖 AI Intelligence Analysis Analyzed: Apr 19, 2026 20:32
🇸🇦 Saudi Arabia Impact Assessment
Critical impact across multiple Saudi sectors: Banking sector (SAMA-regulated institutions) faces risk of financial data theft and fraud through compromised PDF documents; Government agencies (NCA, CITC oversight) vulnerable to espionage and data exfiltration; Healthcare sector (MOH facilities) at risk of patient data breaches; Energy sector (ARAMCO, downstream operators) exposed to operational disruption; Telecom providers (STC, Mobily) vulnerable to infrastructure compromise. The widespread use of PDFs in Saudi business processes (contracts, reports, compliance documents) amplifies attack surface significantly.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare and Medical Services Energy and Petroleum Telecommunications Insurance Legal Services Education Manufacturing
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all systems running Adobe Acrobat/Reader versions prior to patched releases
2. Disable PDF preview functionality in email clients (Outlook, Thunderbird) as temporary measure
3. Implement network-level restrictions on PDF file execution from untrusted sources
4. Alert users to avoid opening PDFs from unknown senders

PATCHING GUIDANCE:
1. Apply Adobe security updates immediately for Acrobat/Reader (versions 22.x and 23.x)
2. Prioritize patching for systems handling sensitive financial/government documents
3. Test patches in isolated environment before enterprise deployment
4. Maintain offline backup systems during patching window

COMPENSATING CONTROLS:
1. Deploy application whitelisting to restrict PDF reader execution
2. Implement sandboxing for PDF processing (isolated virtual environments)
3. Use PDF conversion tools to convert suspicious PDFs to safer formats
4. Enable Enhanced Protected View in Adobe Reader

DETECTION RULES:
1. Monitor for abnormal Adobe Reader process spawning (cmd.exe, powershell.exe)
2. Alert on PDF files with embedded executables or suspicious scripts
3. Track failed PDF rendering attempts followed by process execution
4. Monitor for unusual network connections initiated by Adobe processes
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تعمل بإصدارات Adobe Acrobat/Reader السابقة للإصدارات المصححة
2. تعطيل وظيفة معاينة PDF في عملاء البريد الإلكتروني (Outlook, Thunderbird) كإجراء مؤقت
3. تطبيق قيود على مستوى الشبكة على تنفيذ ملفات PDF من مصادر غير موثوقة
4. تنبيه المستخدمين لتجنب فتح ملفات PDF من مرسلين غير معروفين

إرشادات التصحيح:
1. تطبيق تحديثات أمان Adobe فوراً لـ Acrobat/Reader (الإصدارات 22.x و 23.x)
2. إعطاء الأولوية لتصحيح الأنظمة التي تتعامل مع المستندات المالية/الحكومية الحساسة
3. اختبار التصحيحات في بيئة معزولة قبل النشر على مستوى المؤسسة
4. الحفاظ على أنظمة النسخ الاحتياطية غير المتصلة أثناء نافذة التصحيح

الضوابط البديلة:
1. نشر قائمة بيضاء للتطبيقات لتقييد تنفيذ قارئ PDF
2. تطبيق الحماية الرملية لمعالجة PDF (بيئات افتراضية معزولة)
3. استخدام أدوات تحويل PDF لتحويل ملفات PDF المريبة إلى تنسيقات أكثر أماناً
4. تفعيل وضع الحماية المحسّن في Adobe Reader

قواعد الكشف:
1. مراقبة عمليات Adobe Reader غير الطبيعية (cmd.exe, powershell.exe)
2. التنبيه على ملفات PDF التي تحتوي على ملفات قابلة للتنفيذ أو نصوص مريبة
3. تتبع محاولات عرض PDF الفاشلة متبوعة بتنفيذ العملية
4. مراقبة الاتصالات الشبكية غير العادية التي تبدأها عمليات Adobe
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures A.8.1.1 - User endpoint devices protection A.8.2.1 - Malware protection and management A.8.3.1 - Management of removable media A.12.2.1 - Change management procedures
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification PR.IP-12 - Software, firmware, and information integrity DE.CM-8 - Vulnerability scans RS.MI-2 - Incidents are mitigated
🟡 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.8.1.3 - Asset return procedures
🟣 PCI DSS v4.0
6.2 - Security patches and updates 6.5.1 - Injection flaws prevention 11.2 - Vulnerability scanning
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Adobe:Acrobat and Reader
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS0.56%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2023-10-05
Published 2023-09-14
Source Feed cisa_kev
Views 2
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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