📄 Description (English)
Apple macOS Use-After-Free Vulnerability — Apple macOS contains a use-after-free vulnerability that could allow for privilege escalation.
🤖 AI Executive Summary
CVE-2019-8526 is a critical use-after-free vulnerability in Apple macOS that enables local privilege escalation, allowing an attacker with limited user access to gain elevated system privileges. With a CVSS score of 9.0 and a confirmed public exploit, this vulnerability poses an immediate and serious threat to any organization running unpatched macOS systems. The vulnerability has been added to CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild. Organizations must prioritize patching all macOS endpoints immediately to prevent unauthorized privilege escalation attacks.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 16, 2026 18:40
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations across all sectors utilizing macOS endpoints are at significant risk. Banking and financial institutions regulated by SAMA that deploy macOS workstations for developers, analysts, and executives face the highest exposure, as privilege escalation could lead to unauthorized access to core banking systems and sensitive financial data. Government entities under NCA oversight using macOS in administrative or technical roles risk compromise of classified information and critical infrastructure access. Energy sector organizations including Saudi Aramco and SABIC, where macOS is commonly used in engineering and design workstations, face potential lateral movement risks post-exploitation. Telecom providers such as STC and Zain KSA with macOS-based development or operations teams are also at risk. The confirmed exploit availability significantly amplifies the threat for Saudi SOCs that may not have prioritized macOS patching in their vulnerability management programs.
🏢 Affected Saudi Sectors
Banking
Government
Energy
Telecom
Healthcare
Education
Technology
⚖️ Saudi Risk Score (AI)
8.7
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all macOS endpoints across the organization using asset inventory tools.
2. Isolate any systems showing signs of compromise or unusual privilege escalation activity.
3. Restrict local user accounts to minimum necessary privileges immediately.
PATCHING GUIDANCE:
1. Update all macOS systems to macOS Mojave 10.14.4 or later, which contains the official Apple patch for this vulnerability.
2. Prioritize patching for systems with internet exposure or those used by privileged users.
3. Use MDM solutions (Jamf, Mosyle, or Kandji) to enforce and verify patch deployment across all managed macOS endpoints.
4. Verify patch status using: softwareupdate --list on each endpoint.
COMPENSATING CONTROLS (if patching is delayed):
1. Enforce application whitelisting to prevent execution of unknown binaries.
2. Enable System Integrity Protection (SIP) on all macOS systems: csrutil enable.
3. Restrict physical and remote access to sensitive macOS systems.
4. Deploy endpoint detection and response (EDR) solutions capable of detecting use-after-free exploitation patterns.
5. Monitor for unusual process privilege changes using macOS Unified Logging.
DETECTION RULES:
1. Monitor for unexpected privilege escalation events in system logs (/var/log/system.log).
2. Alert on processes spawning with root privileges from non-administrative user sessions.
3. Deploy SIEM rules to detect anomalous sudo or setuid activity.
4. Use osquery to continuously monitor process privilege changes: SELECT * FROM processes WHERE uid=0 AND parent != 1.
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة macOS في المؤسسة باستخدام أدوات جرد الأصول.
2. عزل أي أنظمة تُظهر علامات اختراق أو نشاط غير عادي لرفع الامتيازات.
3. تقييد حسابات المستخدمين المحليين بالحد الأدنى من الصلاحيات الضرورية فوراً.
إرشادات التصحيح:
1. تحديث جميع أنظمة macOS إلى الإصدار macOS Mojave 10.14.4 أو أحدث الذي يحتوي على التصحيح الرسمي من Apple.
2. إعطاء الأولوية لتصحيح الأنظمة المعرضة للإنترنت أو تلك التي يستخدمها المستخدمون ذوو الامتيازات.
3. استخدام حلول MDM مثل Jamf أو Mosyle أو Kandji لفرض نشر التصحيحات والتحقق منها عبر جميع أجهزة macOS المُدارة.
ضوابط التعويض (في حالة تأخر التصحيح):
1. فرض قائمة بيضاء للتطبيقات لمنع تنفيذ الملفات الثنائية غير المعروفة.
2. تفعيل حماية سلامة النظام (SIP) على جميع أنظمة macOS.
3. تقييد الوصول الفيزيائي والبعيد إلى أنظمة macOS الحساسة.
4. نشر حلول الكشف والاستجابة للنقاط الطرفية (EDR) القادرة على اكتشاف أنماط استغلال الثغرات.
قواعد الكشف:
1. مراقبة أحداث رفع الامتيازات غير المتوقعة في سجلات النظام.
2. التنبيه على العمليات التي تنشأ بصلاحيات الجذر من جلسات المستخدمين غير الإداريين.
3. نشر قواعد SIEM للكشف عن نشاط sudo أو setuid الشاذ.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-4-2: Vulnerability Management — Patch and update management for endpoints
ECC-2-3-1: Endpoint Security — Hardening and protection of end-user devices
ECC-1-3-6: Asset Management — Inventory and classification of macOS assets
ECC-2-6-1: Privileged Access Management — Control and monitoring of privileged accounts
🔵 SAMA CSF
3.3.6 Vulnerability Management — Timely identification and remediation of vulnerabilities
3.3.7 Patch Management — Ensuring critical patches are applied within defined SLAs
3.3.2 Endpoint Security — Protection of workstations and user devices
3.4.1 Access Control — Least privilege enforcement on endpoint systems
🟡 ISO 27001:2022
A.8.8 Management of technical vulnerabilities — Timely patching of known vulnerabilities
A.8.7 Protection against malware — Endpoint protection controls
A.5.15 Access control — Privilege management and least privilege principle
A.8.9 Configuration management — Secure configuration of macOS endpoints
🟣 PCI DSS v4.0
Requirement 6.3.3 — All system components are protected from known vulnerabilities by installing applicable security patches
Requirement 7.2 — Access to system components and data is appropriately defined and assigned
Requirement 11.3 — External and internal vulnerabilities are regularly identified and addressed
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Apple:macOS