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Vulnerabilities

CVE-2015-2360

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Win32k Privilege Escalation Vulnerability — Win32k.sys in the kernel-mode drivers in Microsoft Windows allows local users to gain privileges or cause denial-of-service (DoS).
Published: May 25, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Win32k Privilege Escalation Vulnerability — Win32k.sys in the kernel-mode drivers in Microsoft Windows allows local users to gain privileges or cause denial-of-service (DoS).

🤖 AI Executive Summary

CVE-2015-2360 is a critical privilege escalation vulnerability in Microsoft Windows Win32k.sys kernel driver affecting Windows 7, 8, 8.1, and Server editions. With a CVSS score of 9.0 and publicly available exploits, this vulnerability allows local authenticated users to execute arbitrary code with SYSTEM privileges. Immediate patching is essential for all Saudi organizations running affected Windows versions.

📄 Description (Arabic)

Win32k.sys في برامج تشغيل وضع النواة في Microsoft Windows يحتوي على ثغرة تصعيد امتيازات تسمح للمستخدمين المحليين بالحصول على امتيازات أعلى أو التسبب في رفض الخدمة (DoS)

🤖 ملخص تنفيذي (AI)

ثغرة حرجة في Win32k.sys في برامج تشغيل وضع النواة في Microsoft Windows تسمح للمستخدمين المحليين بالحصول على امتيازات أعلى أو التسبب في رفض الخدمة

🤖 AI Intelligence Analysis Analyzed: Mar 29, 2026 19:54
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses severe risk to Saudi banking sector (SAMA-regulated institutions), government agencies (NCA oversight), healthcare facilities, and energy sector organizations. Windows 7/8 systems remain prevalent in Saudi enterprises despite age. Exploitation enables complete system compromise, lateral movement across networks, and potential access to critical infrastructure. ARAMCO, STC, and major financial institutions are particularly vulnerable if unpatched systems exist in their environments.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Telecommunications Defense and Security
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Windows 7, 8, 8.1, and Server 2008/2012 systems in your environment using asset management tools
2. Prioritize patching for systems with local user access and administrative functions
3. Implement application whitelisting to prevent unauthorized code execution

PATCHING GUIDANCE:
1. Apply Microsoft Security Bulletin MS15-051 immediately
2. Deploy patches through WSUS or equivalent patch management systems
3. Test patches in non-production environments first
4. Enforce mandatory restart policies post-patching

COMPENSATING CONTROLS (if immediate patching impossible):
1. Restrict local user logon capabilities using Group Policy
2. Disable unnecessary services and disable user account control bypass vectors
3. Monitor Win32k.sys activity for suspicious behavior
4. Implement application execution controls via AppLocker

DETECTION RULES:
1. Monitor for unusual Win32k.sys API calls and kernel-mode transitions
2. Alert on privilege escalation attempts from low-privilege processes
3. Track creation of SYSTEM-level processes from user-initiated applications
4. Monitor registry modifications related to kernel drivers
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أنظمة Windows 7 و 8 و 8.1 والخادم 2008/2012 في بيئتك باستخدام أدوات إدارة الأصول
2. إعطاء الأولوية لتصحيح الأنظمة التي تحتوي على وصول المستخدم المحلي والوظائف الإدارية
3. تنفيذ قائمة بيضاء للتطبيقات لمنع تنفيذ الكود غير المصرح به

إرشادات التصحيح:
1. تطبيق نشرة أمان Microsoft MS15-051 على الفور
2. نشر التصحيحات من خلال WSUS أو أنظمة إدارة التصحيحات المكافئة
3. اختبار التصحيحات في بيئات غير الإنتاج أولاً
4. فرض سياسات إعادة التشغيل الإلزامية بعد التصحيح

الضوابط البديلة (إذا كان التصحيح الفوري مستحيلاً):
1. تقييد قدرات تسجيل دخول المستخدم المحلي باستخدام Group Policy
2. تعطيل الخدمات غير الضرورية وتعطيل متجهات التحايل على التحكم في حساب المستخدم
3. مراقبة نشاط Win32k.sys للسلوك المريب
4. تنفيذ عناصر تحكم في تنفيذ التطبيقات عبر AppLocker

قواعد الكشف:
1. مراقبة استدعاءات Win32k.sys API غير العادية والانتقالات في وضع النواة
2. التنبيه على محاولات تصعيد الامتيازات من العمليات منخفضة الامتياز
3. تتبع إنشاء عمليات SYSTEM من التطبيقات التي يبدأها المستخدم
4. مراقبة تعديلات السجل المتعلقة بمشغلات النواة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.14.2.1 - Secure development policy ECC 2024 A.12.2.1 - Monitoring of system use
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification PR.IP-12 - System and information integrity DE.CM-8 - Vulnerability scans
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development policy A.12.2.1 - Monitoring of system use
🟣 PCI DSS v4.0
Requirement 6.2 - Security patches installation Requirement 11.2 - Vulnerability scanning
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:Win32k
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS13.23%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-06-15
Published 2022-05-25
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
🏷️ Tags
kev actively-exploited
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