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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

Microsoft Windows kernel contains a critical vulnerability in the TrueType font parsing engine that allows remote code execution through crafted font data embedded in documents or web pages. Attackers can exploit this flaw by distributing malicious Word documents or hosting malicious websites to compromise affected systems.

📄 Description (Arabic)

تحتوي نواة نظام ويندوز على ثغرة في محرك معالجة خطوط TrueType في ملف win32k.sys يسمح للمهاجمين بتنفيذ أكواد عشوائية. يمكن استغلال الثغرة من خلال مستندات Word أو صفحات ويب تحتوي على بيانات خطوط مصنعة بشكل خاص.

🤖 ملخص تنفيذي (AI)

نواة نظام تشغيل مايكروسوفت ويندوز تحتوي على ثغرة حرجة في محرك معالجة خطوط TrueType تسمح بتنفيذ أكواد بعيدة من خلال بيانات خطوط مصنعة مدرجة في المستندات أو صفحات الويب. يمكن للمهاجمين استغلال هذه الثغرة بنشر مستندات Word ضارة أو استضافة مواقع ويب خبيثة لتعريض الأنظمة المتأثرة للخطر.

🤖 AI Intelligence Analysis Analyzed: Apr 30, 2026 10:33
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government banking telecom energy healthcare
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Apply Microsoft security updates immediately. Disable TrueType font support if not required. Implement email filtering to block suspicious documents. Use application whitelisting and disable preview panes in Office applications. Monitor for suspicious font file processing.
🔧 خطوات المعالجة (العربية)
تطبيق تحديثات الأمان من مايكروسوفت فوراً. تعطيل دعم خطوط TrueType إذا لم تكن مطلوبة. تطبيق تصفية البريد الإلكتروني لحجب المستندات المريبة. استخدام قائمة التطبيقات المسموحة وتعطيل أجزاء المعاينة في تطبيقات Office. مراقبة معالجة ملفات الخطوط المريبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.7.1 A.8.1 A.12.2
🔵 SAMA CSF
ID.BE-1 PR.DS-1 PR.DS-6 DE.CM-1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.14.2.1
🔗 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 6
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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