📄 Description (English)
A logic issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.4. A user may be able to elevate privileges.
🤖 AI Executive Summary
CVE-2026-20631 is a privilege escalation vulnerability in macOS Tahoe affecting versions prior to 26.4, with a CVSS score of 8.8. The vulnerability stems from a logic issue that allows local users to elevate their privileges on affected systems. While no public exploit is currently available, the high severity score and privilege escalation nature make this a significant threat requiring immediate attention from Saudi organizations using macOS infrastructure.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 22, 2026 12:30
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi government agencies, financial institutions, and multinational corporations operating in Saudi Arabia that utilize macOS systems for critical operations. High-risk sectors include: (1) Banking and Financial Services (SAMA-regulated entities) — where macOS is used in trading, wealth management, and executive operations; (2) Government Agencies (NCA, CITC oversight) — administrative and security personnel using macOS; (3) Healthcare Institutions — medical research and administrative systems; (4) Energy Sector (ARAMCO, downstream operators) — engineering and management workstations; (5) Telecommunications (STC, Mobily) — network operations centers. The privilege escalation capability poses significant risk to data confidentiality, system integrity, and compliance with regulatory frameworks.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare and Medical Research
Energy and Utilities
Telecommunications
Multinational Corporations
Higher Education and Research Institutions
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all macOS Tahoe systems in your organization and identify those running versions prior to 26.4
2. Restrict local access to macOS systems through physical security controls and access management policies
3. Implement application whitelisting to prevent unauthorized privilege escalation attempts
4. Enable System Integrity Protection (SIP) if not already active: csrutil status (verify enabled)
5. Review and restrict sudo access: audit sudoers file and implement principle of least privilege
Patching Guidance:
1. Upgrade to macOS Tahoe 26.4 or later immediately when available
2. Prioritize patching for systems with administrative or sensitive data access
3. Test patches in non-production environment before enterprise deployment
4. Establish a phased rollout plan for critical systems
Compensating Controls (if patch unavailable):
1. Implement endpoint detection and response (EDR) solutions with privilege escalation detection
2. Monitor system logs for suspicious privilege elevation attempts: log show --predicate 'process == "sudo"' --level debug
3. Disable unnecessary user accounts and enforce strong authentication (MFA where possible)
4. Implement file integrity monitoring on critical system binaries
5. Use Mobile Device Management (MDM) to enforce security policies and restrict local admin access
Detection Rules:
1. Monitor for unauthorized sudo execution and privilege escalation patterns
2. Alert on unexpected process spawning with elevated privileges
3. Track modifications to system security configurations
4. Implement behavioral analysis for privilege escalation techniques
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أنظمة macOS Tahoe في مؤسستك وحدد تلك التي تعمل بإصدارات سابقة للإصدار 26.4
2. قيّد الوصول المحلي إلى أنظمة macOS من خلال ضوابط الأمان المادي وسياسات إدارة الوصول
3. طبّق قائمة التطبيقات المسموحة لمنع محاولات تصعيد الامتيازات غير المصرح بها
4. فعّل حماية سلامة النظام (SIP) إن لم تكن مفعلة: csrutil status (تحقق من التفعيل)
5. راجع وقيّد وصول sudo: قم بتدقيق ملف sudoers وطبّق مبدأ أقل امتياز
إرشادات التصحيح:
1. قم بالترقية إلى macOS Tahoe 26.4 أو إصدار أحدث فوراً عند توفره
2. أعطِ الأولوية لتصحيح الأنظمة التي تحتوي على وصول إداري أو بيانات حساسة
3. اختبر التصحيحات في بيئة غير إنتاجية قبل النشر على مستوى المؤسسة
4. ضع خطة نشر مرحلية للأنظمة الحرجة
الضوابط البديلة (إذا لم يكن التصحيح متاحاً):
1. طبّق حلول كشف الاستجابة للنقاط الطرفية (EDR) مع كشف تصعيد الامتيازات
2. راقب سجلات النظام بحثاً عن محاولات تصعيد امتيازات مريبة
3. عطّل حسابات المستخدمين غير الضرورية وفرض المصادقة القوية
4. طبّق مراقبة سلامة الملفات على الملفات الثنائية الحرجة للنظام
5. استخدم إدارة الأجهزة المحمولة (MDM) لفرض سياسات الأمان
قواعد الكشف:
1. راقب تنفيذ sudo غير المصرح به وأنماط تصعيد الامتيازات
2. أصدر تنبيهات عند توليد عمليات غير متوقعة بامتيازات مرتفعة
3. تتبع التعديلات على إعدادات أمان النظام
4. طبّق التحليل السلوكي لتقنيات تصعيد الامتيازات
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 — Access Control Policies (privilege escalation prevention)
ECC 2024 A.8.1.1 — User Endpoint Protection (malware and privilege escalation detection)
ECC 2024 A.8.2.1 — System Hardening (SIP and security controls)
ECC 2024 A.10.1.1 — Audit Logging (privilege escalation monitoring)
🔵 SAMA CSF
SAMA CSF ID.AM-2 — Asset Management (inventory macOS systems)
SAMA CSF PR.AC-1 — Access Control (privilege management)
SAMA CSF PR.PT-1 — Protection Technology (endpoint security)
SAMA CSF DE.CM-1 — Detection and Analysis (monitoring privilege escalation)
🟡 ISO 27001:2022
ISO 27001:2022 A.5.2 — Information Security Policies (privilege escalation controls)
ISO 27001:2022 A.8.1 — User Endpoint Devices (macOS security hardening)
ISO 27001:2022 A.8.2 — Privileged Access Rights (least privilege implementation)
ISO 27001:2022 A.8.3 — Information Access Restriction (access control enforcement)
🟣 PCI DSS v4.0
PCI DSS 2.1 — Default Security Parameters (system hardening)
PCI DSS 7.1 — Limit Access to System Components (privilege escalation prevention)
PCI DSS 10.2 — Implement Automated Audit Trails (privilege escalation logging)
🔗 References & Sources 1
📦 Affected Products / CPE 1 entries
apple:macos