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Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 2h Global phishing Multiple sectors HIGH 2h Global insider Cybersecurity Services CRITICAL 3h Global ransomware Multiple sectors (U.S. companies) CRITICAL 3h Global malware Financial Services, Cryptocurrency CRITICAL 3h Global malware Technology and Cloud Services HIGH 3h Global general Financial Services and E-commerce MEDIUM 3h Global data_breach Social Media and Communications CRITICAL 4h Global general Cybersecurity Operations HIGH 4h Global phishing Technology and Consumer Services HIGH 4h Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 2h Global phishing Multiple sectors HIGH 2h Global insider Cybersecurity Services CRITICAL 3h Global ransomware Multiple sectors (U.S. companies) CRITICAL 3h Global malware Financial Services, Cryptocurrency CRITICAL 3h Global malware Technology and Cloud Services HIGH 3h Global general Financial Services and E-commerce MEDIUM 3h Global data_breach Social Media and Communications CRITICAL 4h Global general Cybersecurity Operations HIGH 4h Global phishing Technology and Consumer Services HIGH 4h Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 2h Global phishing Multiple sectors HIGH 2h Global insider Cybersecurity Services CRITICAL 3h Global ransomware Multiple sectors (U.S. companies) CRITICAL 3h Global malware Financial Services, Cryptocurrency CRITICAL 3h Global malware Technology and Cloud Services HIGH 3h Global general Financial Services and E-commerce MEDIUM 3h Global data_breach Social Media and Communications CRITICAL 4h Global general Cybersecurity Operations HIGH 4h Global phishing Technology and Consumer Services HIGH 4h
Vulnerabilities

CVE-2011-3402

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Windows TrueType Font Parsing Remote Code Execution Vulnerability (CVE-2011-3402)
Published: Oct 6, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Windows Remote Code Execution Vulnerability — Microsoft Windows Kernel contains an unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers that allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page.

🤖 AI Executive Summary

A critical vulnerability in Microsoft Windows kernel-mode TrueType font parser (win32k.sys) allows remote attackers to execute arbitrary code through maliciously crafted font data embedded in Word documents or web pages. Active exploits exist with CVSS 9.0 severity, enabling complete system compromise through user interaction with malicious content.

📄 Description (Arabic)

تؤثر هذه الثغرة الأمنية على محرك تحليل خطوط TrueType في برنامج التشغيل win32k.sys الذي يعمل في وضع النواة بنظام ويندوز. يمكن للمهاجمين استغلال هذه الثغرة عبر إدراج بيانات خطوط مُعدّلة بشكل خبيث في مستندات Microsoft Word أو صفحات الويب، مما يؤدي إلى تنفيذ تعليمات برمجية عشوائية بصلاحيات النظام. نظراً لوجود استغلالات فعلية وعدم توفر تصحيح رسمي، تشكل هذه الثغرة خطراً كبيراً على المؤسسات التي تستخدم أنظمة ويندوز القديمة أو غير المحدثة. يتطلب الاستغلال الناجح تفاعل المستخدم مع المحتوى الضار، مما يجعل الهندسة الاجتماعية عنصراً حاسماً في سلسلة الهجوم.

🤖 ملخص تنفيذي (AI)

ثغرة حرجة في محلل خطوط TrueType بوضع النواة في نظام مايكروسوفت ويندوز (win32k.sys) تسمح للمهاجمين عن بُعد بتنفيذ تعليمات برمجية عشوائية من خلال بيانات خطوط مصممة بشكل ضار ومضمنة في مستندات Word أو صفحات الويب. توجد استغلالات نشطة بدرجة خطورة 9.0 على مقياس CVSS، مما يتيح اختراق النظام بالكامل من خلال تفاعل المستخدم مع محتوى ضار.

🤖 AI Intelligence Analysis Analyzed: Feb 28, 2026 09:19
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using legacy Windows systems face critical risk as active exploits exist without official patches. Government entities, financial institutions, and critical infrastructure operators under NCA ECC and SAMA oversight must immediately implement compensating controls to prevent system compromise through malicious documents or web content.
🏢 Affected Saudi Sectors
القطاع الحكومي القطاع المالي والمصرفي البنية التحتية الحرجة قطاع الطاقة والمرافق قطاع الاتصالات وتقنية المعلومات قطاع الصحة قطاع التعليم القطاع الخاص
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
1. Immediately upgrade all Windows systems to supported versions with available security patches, prioritizing internet-facing and critical business systems within 72 hours
2. Deploy Enhanced Mitigation Experience Toolkit (EMET) or Windows Defender Exploit Guard to block font-based exploitation attempts, and configure application whitelisting to restrict execution of untrusted content
3. Implement network-level content filtering to block malicious documents and web pages, enable Protected View in Microsoft Office applications, and conduct user awareness training on risks of opening untrusted documents or visiting suspicious websites
🔧 خطوات المعالجة (العربية)
1. ترقية جميع أنظمة ويندوز فوراً إلى إصدارات مدعومة تتوفر لها تصحيحات أمنية، مع إعطاء الأولوية للأنظمة المتصلة بالإنترنت والأنظمة الحرجة للأعمال خلال 72 ساعة
2. نشر مجموعة أدوات تخفيف الاستغلال المحسّنة (EMET) أو Windows Defender Exploit Guard لحظر محاولات الاستغلال المعتمدة على الخطوط، وتكوين قوائم السماح للتطبيقات لتقييد تنفيذ المحتوى غير الموثوق
3. تطبيق تصفية المحتوى على مستوى الشبكة لحظر المستندات وصفحات الويب الضارة، وتفعيل العرض المحمي في تطبيقات Microsoft Office، وإجراء تدريب توعوي للمستخدمين حول مخاطر فتح المستندات غير الموثوقة أو زيارة المواقع المشبوهة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-1: Cybersecurity Governance ECC-2-1: Asset Management ECC-3-1: Vulnerability Management ECC-4-1: Patch Management ECC-5-2: Security Awareness Training
🔵 SAMA CSF
CCC-1.1: Cybersecurity Strategy CCC-3.1: Asset Management CCC-4.2: Vulnerability Assessment CCC-5.1: Patch Management CCC-8.1: Security Awareness
🟡 ISO 27001:2022
A.12.6.1: Management of Technical Vulnerabilities A.12.2.1: Controls Against Malware A.14.2.2: System Change Control Procedures A.7.2.2: Information Security Awareness
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:Windows
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS89.22%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-10-27
Published 2025-10-06
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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