📄 Description (English)
Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
🤖 AI Executive Summary
CVE-2026-35417 is a type confusion vulnerability in Windows Win32K kernel component affecting multiple Windows 10 and 11 versions. An authorized local attacker can exploit this flaw to elevate privileges to SYSTEM level. With a CVSS score of 7.8 and no patch currently available, this poses a significant risk to Saudi organizations relying on Windows infrastructure.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 18, 2026 06:02
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi banking sector (SAMA-regulated institutions), government agencies (NCA oversight), healthcare facilities, and energy sector organizations. Windows 10/11 systems are prevalent across Saudi enterprises for workstations and servers. The privilege escalation capability enables lateral movement and data exfiltration, particularly threatening organizations handling sensitive financial data, national security information, and critical infrastructure operations. Government entities and ARAMCO subsidiaries are especially vulnerable given their reliance on Windows-based systems.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare and Medical Institutions
Energy and Utilities
Telecommunications
Defense and National Security
Critical Infrastructure
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Inventory all Windows 10 (versions 1809, 21H2, 22H2) and Windows 11 (23H2) systems across your organization
2. Restrict local administrative access and enforce principle of least privilege
3. Disable unnecessary user accounts and review active directory permissions
4. Implement application whitelisting to prevent unauthorized code execution
COMPENSATING CONTROLS (until patch available):
5. Deploy EDR/XDR solutions with behavioral analysis for privilege escalation detection
6. Enable Windows Defender Exploit Guard and Attack Surface Reduction rules
7. Monitor Win32K API calls and kernel object access patterns
8. Implement kernel patch protection and code integrity verification
9. Use Windows Sandbox for untrusted applications
10. Enable audit logging for privilege escalation attempts
DETECTION RULES:
- Monitor for unexpected SYSTEM-level process creation from user sessions
- Alert on Win32K kernel object type mismatches
- Track suspicious kernel API sequences involving object manipulation
- Monitor for failed privilege escalation attempts in security event logs (Event ID 4672, 4673)
PATCHING:
- Subscribe to Microsoft Security Updates and apply immediately when patch is released
- Prioritize patching for systems with high-privilege users and critical functions
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أنظمة Windows 10 (الإصدارات 1809 و21H2 و22H2) و Windows 11 (23H2) عبر مؤسستك
2. قيد الوصول الإداري المحلي وفرض مبدأ الامتياز الأدنى
3. عطّل حسابات المستخدمين غير الضرورية وراجع أذونات Active Directory
4. طبّق القائمة البيضاء للتطبيقات لمنع تنفيذ الأكواد غير المصرح بها
الضوابط البديلة (حتى توفر التصحيح):
5. نشّر حلول EDR/XDR مع تحليل السلوك للكشف عن محاولات الارتقاء بالامتيازات
6. فعّل Windows Defender Exploit Guard وقواعد تقليل سطح الهجوم
7. راقب استدعاءات Win32K API وأنماط الوصول إلى كائنات النواة
8. طبّق حماية التصحيح النواة والتحقق من سلامة الكود
9. استخدم Windows Sandbox للتطبيقات غير الموثوقة
10. فعّل تسجيل التدقيق لمحاولات الارتقاء بالامتيازات
قواعد الكشف:
- راقب إنشاء العمليات على مستوى SYSTEM غير المتوقع من جلسات المستخدم
- أصدر تنبيهات عند عدم تطابق أنواع كائنات Win32K النواة
- تتبع تسلسلات API النواة المريبة التي تتضمن معالجة الكائنات
- راقب محاولات الارتقاء بالامتيازات الفاشلة في سجلات أحداث الأمان
التصحيح:
- اشترك في تحديثات أمان Microsoft وطبّقها فوراً عند إصدار التصحيح
- أولوية التصحيح للأنظمة ذات المستخدمين ذوي الامتيازات العالية والوظائف الحرجة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 - 5.1.1: Access Control and Authentication
ECC 2024 - 5.2.1: Privilege Management
ECC 2024 - 5.3.1: System Hardening
ECC 2024 - 6.1.1: Vulnerability Management
ECC 2024 - 6.2.1: Patch Management
🔵 SAMA CSF
SAMA CSF - Governance: Risk Management Framework
SAMA CSF - Protect: Access Control and Identity Management
SAMA CSF - Detect: Monitoring and Detection
SAMA CSF - Respond: Incident Response Procedures
🟡 ISO 27001:2022
ISO 27001:2022 - A.5.2: Information Security Policies
ISO 27001:2022 - A.8.1: User Endpoint Devices
ISO 27001:2022 - A.8.2: Privileged Access Rights
ISO 27001:2022 - A.8.3: Information Access Restriction
ISO 27001:2022 - A.14.2: System Development and Change Management
🟣 PCI DSS v4.0.1
PCI DSS 4.0 - Requirement 2: Apply Secure Configurations
PCI DSS 4.0 - Requirement 6: Develop and Maintain Secure Systems
PCI DSS 4.0 - Requirement 7: Restrict Access to Data
📦 Affected Products / CPE 20 entries
microsoft:windows_10_1809
microsoft:windows_10_1809
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_11_23h2
microsoft:windows_11_23h2
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_2019
microsoft:windows_server_2022
microsoft:windows_server_2022_23h2
microsoft:windows_server_2025