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Vulnerabilities

CVE-2015-1701

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Win32k Privilege Escalation Vulnerability — An unspecified vulnerability exists in the Win32k.sys kernel-mode driver in Microsoft Windows Server that allows a local attacker to execute arbit
Published: Mar 3, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Win32k Privilege Escalation Vulnerability — An unspecified vulnerability exists in the Win32k.sys kernel-mode driver in Microsoft Windows Server that allows a local attacker to execute arbitrary code with elevated privileges.

🤖 AI Executive Summary

CVE-2015-1701 is a critical privilege escalation vulnerability in Microsoft Windows Win32k.sys kernel driver affecting Windows Server systems. A local attacker can exploit this flaw to execute arbitrary code with SYSTEM-level privileges, potentially compromising entire server infrastructure. With publicly available exploits and widespread Windows Server deployment across Saudi organizations, this vulnerability poses an immediate and severe risk requiring urgent patching.

📄 Description (Arabic)

توجد ثغرة غير محددة في برنامج تشغيل kernel-mode Win32k.sys في Microsoft Windows Server التي تسمح لمهاجم محلي بتنفيذ كود عشوائي مع امتيازات مرتفعة على النظام المتأثر

🤖 ملخص تنفيذي (AI)

ثغرة غير محددة في برنامج تشغيل Win32k.sys في وضع kernel في Microsoft Windows Server تسمح لمهاجم محلي بتنفيذ كود عشوائي بامتيازات مرتفعة

🤖 AI Intelligence Analysis Analyzed: Mar 29, 2026 09:53
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses critical risk to Saudi banking sector (SAMA-regulated institutions), government agencies (NCA oversight), healthcare facilities (MOH systems), energy sector (ARAMCO and utilities), and telecommunications providers (STC, Mobily). Windows Server is extensively deployed in data centers, domain controllers, and critical infrastructure across these sectors. Successful exploitation could lead to complete system compromise, data theft, lateral movement within networks, and disruption of essential services. The local attack vector requires prior system access, but combined with other vulnerabilities or insider threats, creates a severe risk multiplier.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare and Medical Facilities Energy and Utilities Telecommunications Education Transportation
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Windows Server systems in your environment (2003, 2008, 2008 R2, 2012, 2012 R2) and create an inventory
2. Restrict local access to Windows Server systems through access controls and privileged account management
3. Implement application whitelisting to prevent unauthorized code execution
4. Monitor for suspicious process creation and privilege escalation attempts

PATCHING GUIDANCE:
1. Apply Microsoft Security Update MS15-010 immediately to all affected Windows Server versions
2. Prioritize domain controllers, database servers, and systems with sensitive data
3. Test patches in non-production environments before enterprise deployment
4. Schedule maintenance windows for critical systems to minimize downtime

COMPENSATING CONTROLS (if patching delayed):
1. Implement strict user access controls and disable unnecessary local accounts
2. Use AppLocker or Software Restriction Policies to prevent execution of suspicious binaries
3. Deploy endpoint detection and response (EDR) solutions for behavioral monitoring
4. Enforce multi-factor authentication for administrative access

DETECTION RULES:
1. Monitor Event ID 4688 (Process Creation) for unusual kernel-mode driver interactions
2. Alert on Win32k.sys access attempts from non-system processes
3. Track privilege escalation events (Event ID 4672) from unexpected accounts
4. Monitor for exploitation patterns: CreateRemoteThread, VirtualAllocEx, WriteProcessMemory combinations
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أنظمة Windows Server في بيئتك (2003، 2008، 2008 R2، 2012، 2012 R2) وإنشاء جرد
2. تقييد الوصول المحلي إلى أنظمة Windows Server من خلال عناصر التحكم في الوصول وإدارة الحسابات المميزة
3. تنفيذ قائمة بيضاء للتطبيقات لمنع تنفيذ الأكواد غير المصرح بها
4. مراقبة محاولات إنشاء العمليات المريبة وتصعيد الامتيازات

إرشادات التصحيح:
1. تطبيق تحديث الأمان MS15-010 من Microsoft فوراً على جميع إصدارات Windows Server المتأثرة
2. إعطاء الأولوية لمتحكمات المجال وخوادم قواعد البيانات والأنظمة التي تحتوي على بيانات حساسة
3. اختبار التصحيحات في بيئات غير الإنتاج قبل النشر على مستوى المؤسسة
4. جدولة نوافذ الصيانة للأنظمة الحرجة لتقليل وقت التوقف

عناصر التحكم البديلة (إذا تأخر التصحيح):
1. تنفيذ عناصر تحكم صارمة في وصول المستخدمين وتعطيل الحسابات المحلية غير الضرورية
2. استخدام AppLocker أو سياسات تقييد البرامج لمنع تنفيذ الملفات الثنائية المريبة
3. نشر حلول الكشف والاستجابة على نقطة النهاية (EDR) لمراقبة السلوك
4. فرض المصادقة متعددة العوامل للوصول الإداري

قواعد الكشف:
1. مراقبة معرف الحدث 4688 (إنشاء العملية) للتفاعلات غير العادية مع برنامج تشغيل وضع النواة
2. التنبيه على محاولات الوصول إلى Win32k.sys من العمليات غير النظامية
3. تتبع أحداث تصعيد الامتيازات (معرف الحدث 4672) من الحسابات غير المتوقعة
4. مراقبة أنماط الاستغلال: مجموعات CreateRemoteThread و VirtualAllocEx و WriteProcessMemory
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.2.1 - Change management procedures ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.14.2.1 - Secure development policy ECC 2024 A.5.1.1 - Information security policies
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset management and vulnerability identification SAMA CSF PR.IP-12 - System and information integrity SAMA CSF DE.CM-8 - Vulnerability scans SAMA CSF RS.MI-2 - Incident response and recovery
🟡 ISO 27001:2022
ISO 27001:2022 A.12.3.1 - Configuration management ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 - Secure development and change management ISO 27001:2022 A.5.1.1 - Policies for information security
🟣 PCI DSS v4.0
PCI DSS 6.2 - Security patches and updates PCI DSS 11.2 - Vulnerability scanning PCI DSS 2.2.4 - Configuration standards
🔗 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
EPSS90.18%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-03-24
Published 2022-03-03
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
🏷️ Tags
kev actively-exploited ransomware
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