📄 Description (English)
Adobe Flash Player Use-After-Free Vulnerability — Use-after-free vulnerability in Adobe Flash Player Windows and OS and Linux allows remote attackers to execute arbitrary code.
🤖 AI Executive Summary
CVE-2016-7855 is a critical use-after-free vulnerability in Adobe Flash Player affecting Windows, macOS, and Linux platforms that allows remote attackers to execute arbitrary code. This vulnerability was actively exploited in the wild as a zero-day when discovered, with Google's Threat Analysis Group confirming targeted attacks. With a CVSS score of 9.0 and known exploit availability, this represents an immediate threat to any organization still running Flash Player. Although Flash Player reached end-of-life in December 2020, legacy systems in some organizations may still have it installed.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 6, 2026 17:55
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations that may still have legacy systems running Adobe Flash Player. Government agencies under NCA oversight, banking institutions regulated by SAMA, and energy sector organizations including ARAMCO subsidiaries that maintain older SCADA HMI interfaces or legacy web applications may still have Flash Player installed. Healthcare systems using older medical device interfaces and telecom operators like STC with legacy customer portals are also at risk. The active exploitation history makes this particularly dangerous for Saudi critical infrastructure where legacy systems are common.
🏢 Affected Saudi Sectors
Government
Banking
Energy
Healthcare
Telecom
Education
Defense
⚖️ Saudi Risk Score (AI)
8.5
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Conduct an enterprise-wide audit to identify all systems with Adobe Flash Player installed using endpoint detection tools or asset management solutions.
2. Uninstall Adobe Flash Player from all systems immediately — Flash Player reached end-of-life on December 31, 2020, and no longer receives security updates.
3. Block Flash content at the network perimeter using web proxies and next-generation firewalls.
Patching Guidance:
4. If immediate removal is not possible, update to the latest available Flash Player version (32.0.0.465 or later) which includes the fix for this vulnerability.
5. Disable Flash Player in all web browsers via Group Policy or browser settings.
Compensating Controls:
6. Implement application whitelisting to prevent unauthorized Flash content execution.
7. Deploy network-level exploit detection signatures for CVE-2016-7855.
8. Enable DEP (Data Execution Prevention) and ASLR on all Windows endpoints.
Detection Rules:
9. Monitor for suspicious SWF file downloads and Flash Player process anomalies.
10. Deploy YARA rules and IDS/IPS signatures specific to CVE-2016-7855 exploitation patterns.
11. Monitor for unusual child processes spawned by Flash Player executables.
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. إجراء تدقيق شامل على مستوى المؤسسة لتحديد جميع الأنظمة التي تحتوي على Adobe Flash Player باستخدام أدوات كشف نقاط النهاية أو حلول إدارة الأصول.
2. إزالة Adobe Flash Player من جميع الأنظمة فوراً — انتهى دعم Flash Player في 31 ديسمبر 2020 ولم يعد يتلقى تحديثات أمنية.
3. حظر محتوى Flash على محيط الشبكة باستخدام وكلاء الويب وجدران الحماية من الجيل التالي.
إرشادات التصحيح:
4. إذا لم تكن الإزالة الفورية ممكنة، قم بالتحديث إلى أحدث إصدار متاح من Flash Player (32.0.0.465 أو أحدث) الذي يتضمن إصلاح هذه الثغرة.
5. تعطيل Flash Player في جميع متصفحات الويب عبر سياسة المجموعة أو إعدادات المتصفح.
الضوابط التعويضية:
6. تنفيذ القوائم البيضاء للتطبيقات لمنع تنفيذ محتوى Flash غير المصرح به.
7. نشر توقيعات كشف الاستغلال على مستوى الشبكة لـ CVE-2016-7855.
8. تمكين DEP وASLR على جميع نقاط نهاية Windows.
قواعد الكشف:
9. مراقبة تنزيلات ملفات SWF المشبوهة وسلوكيات عملية Flash Player غير الطبيعية.
10. نشر قواعد YARA وتوقيعات IDS/IPS الخاصة بأنماط استغلال CVE-2016-7855.
11. مراقبة العمليات الفرعية غير المعتادة التي تنشأ من ملفات Flash Player التنفيذية.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2-3-1 (Asset Management)
2-5-1 (Vulnerability Management)
2-6-1 (Patch Management)
2-9-1 (Endpoint Protection)
🔵 SAMA CSF
3.3.3 (Patch Management)
3.3.5 (Vulnerability Management)
3.4.1 (Endpoint Security)
3.3.7 (Software Asset Management)
🟡 ISO 27001:2022
A.8.8 (Management of Technical Vulnerabilities)
A.8.19 (Installation of Software on Operational Systems)
A.8.9 (Configuration Management)
🟣 PCI DSS v4.0
6.3.3 (Patching Security Vulnerabilities)
6.2 (System Components Protected from Known Vulnerabilities)
5.2 (Anti-Malware Mechanisms)
11.3 (Penetration Testing)
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Adobe:Flash Player