📄 Description (English)
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
🤖 AI Executive Summary
CVE-2026-40369 is a high-severity privilege escalation vulnerability in Windows 11 (24H2, 25H2, 26H1) and Windows Server 2025 kernel affecting both ARM64 and x64 architectures. An authorized local attacker can exploit an untrusted pointer dereference to elevate privileges. While no public exploit is currently available and no patch has been released, the vulnerability poses significant risk to Saudi organizations relying on these Windows versions for critical infrastructure and enterprise operations.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 18, 2026 21:55
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability directly impacts Saudi government agencies (NCA, MISA), banking sector (SAMA-regulated institutions, major banks), healthcare organizations (MOH facilities), energy sector (ARAMCO, SEC), and telecommunications providers (STC, Mobily). Windows Server 2025 deployments in data centers and cloud infrastructure are particularly at risk. The privilege escalation capability could enable lateral movement within critical systems, potentially compromising SCADA systems, financial networks, and classified government networks. Organizations running Windows 11 on employee workstations face insider threat risks, especially in sensitive sectors.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare
Energy and Utilities
Telecommunications
Defense and Security
Critical Infrastructure
🎯 MITRE ATT&CK Techniques
T1548 - Abuse Elevation Control Mechanism
T1548.004 - Abuse Elevation Control Mechanism: Elevated Execution with Prompt
T1134 - Access Token Manipulation
T1134.003 - Access Token Manipulation: Make and Impersonate Token
T1547 - Boot or Logon Autostart Execution
T1547.001 - Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder
T1543 - Create or Modify System Process
T1112 - Modify Registry
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all Windows 11 (24H2, 25H2, 26H1) and Windows Server 2025 systems across your organization
2. Restrict local administrative access and enforce principle of least privilege
3. Disable unnecessary local user accounts and service accounts with elevated privileges
4. Implement application whitelisting to prevent unauthorized privilege escalation attempts
Compensating Controls (until patch available):
5. Deploy endpoint detection and response (EDR) solutions with kernel-level monitoring
6. Enable Windows Defender Exploit Guard and Attack Surface Reduction rules
7. Monitor Event Viewer for suspicious kernel-mode operations and privilege escalation attempts
8. Implement strict access controls on kernel debugging tools and driver loading
9. Use Windows Sandbox or virtualization for untrusted applications
Detection Rules:
10. Monitor for CWE-822 patterns: unexpected pointer dereference, kernel memory access violations
11. Alert on processes attempting to load unsigned drivers or kernel modules
12. Track failed privilege escalation attempts in security event logs (Event ID 4673, 4674)
13. Monitor for exploitation indicators: abnormal kernel object access, privilege token manipulation
Patching Strategy:
14. Subscribe to Microsoft Security Updates and apply patches immediately upon release
15. Test patches in isolated lab environment before production deployment
16. Prioritize patching for Windows Server 2025 systems in critical infrastructure
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أنظمة Windows 11 (24H2، 25H2، 26H1) و Windows Server 2025 عبر مؤسستك
2. قيد الوصول الإداري المحلي وفرض مبدأ أقل امتياز
3. عطل حسابات المستخدمين المحلية غير الضرورية وحسابات الخدمة ذات الامتيازات المرتفعة
4. طبق قائمة التطبيقات المسموحة لمنع محاولات رفع الامتيازات غير المصرح بها
الضوابط البديلة (حتى توفر التصحيح):
5. نشر حلول كشف الاستجابة للنقاط الطرفية (EDR) مع مراقبة مستوى النواة
6. فعّل Windows Defender Exploit Guard وقواعد تقليل سطح الهجوم
7. راقب Event Viewer للعمليات المريبة على مستوى النواة ومحاولات رفع الامتيازات
8. طبق ضوابط وصول صارمة على أدوات تصحيح النواة وتحميل المشغلات
9. استخدم Windows Sandbox أو المحاكاة الافتراضية للتطبيقات غير الموثوقة
قواعد الكشف:
10. راقب أنماط CWE-822: إلغاء المؤشر غير المتوقع، انتهاكات الوصول إلى ذاكرة النواة
11. أصدر تنبيهات للعمليات التي تحاول تحميل برامج تشغيل أو وحدات نواة غير موقعة
12. تتبع محاولات رفع الامتيازات الفاشلة في سجلات أحداث الأمان (معرف الحدث 4673، 4674)
13. راقب مؤشرات الاستغلال: الوصول غير الطبيعي إلى كائنات النواة، معالجة رموز الامتياز
استراتيجية التصحيح:
14. اشترك في تحديثات أمان Microsoft وطبق التصحيحات فوراً عند إصدارها
15. اختبر التصحيحات في بيئة معملية معزولة قبل نشرها في الإنتاج
16. أعط الأولوية لتصحيح أنظمة Windows Server 2025 في البنية التحتية الحرجة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policy
ECC 2024 A.5.2.1 - User Registration and De-registration
ECC 2024 A.5.3.1 - Privileged Access Rights
ECC 2024 A.8.1.1 - Information Security Perimeter
ECC 2024 A.8.2.1 - Device and Media Management
ECC 2024 A.8.3.1 - Cabling Security
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Hardware and Software Inventory
SAMA CSF PR.AC-1 - Access Control Policy
SAMA CSF PR.AC-4 - Access Rights Management
SAMA CSF DE.CM-1 - Network Monitoring
SAMA CSF DE.CM-3 - Activity Monitoring
🟡 ISO 27001:2022
ISO 27001:2022 A.5.3 - Segregation of Duties
ISO 27001:2022 A.8.2 - Privileged Access Rights
ISO 27001:2022 A.8.3 - Information Access Restriction
ISO 27001:2022 A.8.22 - Information Security Monitoring
ISO 27001:2022 A.8.23 - Web Filtering
🟣 PCI DSS v4.0.1
PCI DSS 2.1 - Default Passwords
PCI DSS 2.2.4 - Security Configuration Standards
PCI DSS 7.1 - Limit Access to System Components
PCI DSS 10.2 - Implement Automated Audit Trails
📦 Affected Products / CPE 7 entries
microsoft:windows_11_24h2
microsoft:windows_11_24h2
microsoft:windows_11_25h2
microsoft:windows_11_25h2
microsoft:windows_11_26h1
microsoft:windows_11_26h1
microsoft:windows_server_2025