📄 Description (English)
Microsoft Edge Memory Corruption Vulnerability — The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute remote code or cause a denial of service (memory corruption) via a crafted web site.
🤖 AI Executive Summary
CVE-2016-7200 is a critical memory corruption vulnerability in the Chakra JavaScript engine used by Microsoft Edge. Remote attackers can exploit this flaw by luring users to a crafted website, enabling arbitrary code execution or denial of service. A public exploit is available, significantly increasing the risk of active exploitation. Microsoft has released a patch (MS16-129) to address this vulnerability.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 6, 2026 12:37
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability affects organizations across Saudi Arabia that use Microsoft Edge as a web browser, particularly in government sectors (NCA-regulated entities), banking and financial institutions (SAMA-regulated), telecom operators (STC, Mobily, Zain), and energy sector organizations (ARAMCO, SABIC). Government employees and corporate users browsing the internet with unpatched Edge browsers are at high risk of drive-by download attacks. The availability of a public exploit makes this especially dangerous for organizations with delayed patching cycles. Educational institutions and healthcare organizations with legacy Windows 10 deployments running Edge are also at risk.
🏢 Affected Saudi Sectors
Government
Banking
Energy
Telecom
Healthcare
Education
Defense
⚖️ Saudi Risk Score (AI)
7.5
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Apply Microsoft security update MS16-129 (KB3199057) immediately on all systems running Microsoft Edge.
2. Verify patch deployment across all endpoints using WSUS, SCCM, or endpoint management tools.
Compensating Controls:
1. If immediate patching is not possible, restrict access to untrusted websites via web proxy/content filtering.
2. Implement Enhanced Protected Mode and Content Security Policy headers on internal web applications.
3. Consider using alternative browsers (Chrome, Firefox) until patching is complete.
4. Deploy EMET (Enhanced Mitigation Experience Toolkit) or Windows Defender Exploit Guard to mitigate memory corruption exploits.
Detection Rules:
1. Monitor for suspicious Edge browser crashes or abnormal JavaScript execution patterns.
2. Deploy IDS/IPS signatures for known CVE-2016-7200 exploit payloads.
3. Enable Windows Defender ATP or EDR solutions to detect post-exploitation activity.
4. Monitor network traffic for connections to known malicious domains associated with this exploit.
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تطبيق تحديث مايكروسوفت الأمني MS16-129 (KB3199057) فوراً على جميع الأنظمة التي تعمل بمتصفح Microsoft Edge.
2. التحقق من نشر التصحيح عبر جميع نقاط النهاية باستخدام أدوات إدارة التحديثات مثل WSUS أو SCCM.
الضوابط التعويضية:
1. في حال عدم إمكانية التصحيح الفوري، تقييد الوصول إلى المواقع غير الموثوقة عبر وكيل الويب وتصفية المحتوى.
2. تفعيل وضع الحماية المحسّن وسياسات أمان المحتوى على تطبيقات الويب الداخلية.
3. استخدام متصفحات بديلة (Chrome أو Firefox) حتى اكتمال التصحيح.
4. نشر أداة EMET أو Windows Defender Exploit Guard للتخفيف من استغلال ثغرات تلف الذاكرة.
قواعد الكشف:
1. مراقبة أعطال متصفح Edge المشبوهة أو أنماط تنفيذ JavaScript غير الطبيعية.
2. نشر توقيعات IDS/IPS لحمولات الاستغلال المعروفة لـ CVE-2016-7200.
3. تفعيل حلول EDR أو Windows Defender ATP للكشف عن أنشطة ما بعد الاستغلال.
4. مراقبة حركة الشبكة للاتصالات بالنطاقات الضارة المعروفة المرتبطة بهذا الاستغلال.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2-3-1 (Patch Management)
2-5-1 (Vulnerability Management)
2-2-1 (Endpoint Protection)
2-6-1 (Network Security)
🔵 SAMA CSF
3.3.3 (Patch Management)
3.3.5 (Vulnerability Management)
3.1.1 (Cybersecurity Risk Management)
3.3.7 (Endpoint Security)
🟡 ISO 27001:2022
A.8.8 (Management of technical vulnerabilities)
A.8.7 (Protection against malware)
A.8.23 (Web filtering)
🟣 PCI DSS v4.0
6.3.3 (Install critical security patches within one month)
5.2 (Deploy anti-malware solutions)
11.3 (Penetration testing)
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:Edge