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Vulnerabilities

CVE-2019-0541

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft MSHTML Remote Code Execution Vulnerability — Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft MSHTML Remote Code Execution Vulnerability — Microsoft MSHTML engine contains an improper input validation vulnerability that allows for remote code execution vulnerability.

🤖 AI Executive Summary

Microsoft MSHTML engine contains an improper input validation vulnerability allowing remote code execution. Attackers can exploit this flaw through specially crafted HTML content to execute arbitrary code with user privileges.

📄 Description (Arabic)

ثغرة في محرك Microsoft MSHTML تسمح بتنفيذ أكواد بعيدة من خلال محتوى HTML مصمم خصيصاً. يمكن للمهاجمين استغلال عدم التحقق الصحيح من صحة المدخلات للوصول الكامل للنظام. تؤثر هذه الثغرة على جميع الأنظمة التي تستخدم محرك MSHTML في معالجة محتوى الويب والبريد الإلكتروني.

🤖 ملخص تنفيذي (AI)

محرك Microsoft MSHTML يحتوي على ثغرة في التحقق من صحة المدخلات تسمح بتنفيذ أكواد بعيدة. يمكن للمهاجمين استغلال هذه الثغرة من خلال محتوى HTML مصمم خصيصاً لتنفيذ أكواد عشوائية.

🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 03:32
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom government healthcare
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Apply Microsoft security updates immediately. Disable MSHTML rendering in email clients and web browsers where possible. Implement network segmentation and restrict access to untrusted content. Use updated antivirus solutions and monitor for suspicious HTML processing activities.
🔧 خطوات المعالجة (العربية)
تطبيق تحديثات الأمان من Microsoft فوراً. تعطيل عرض MSHTML في عملاء البريد والمتصفحات حيث أمكن. تطبيق تقسيم الشبكة وتقييد الوصول للمحتوى غير الموثوق. استخدام حلول مكافحة الفيروسات المحدثة ومراقبة أنشطة معالجة HTML المريبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.1.1 A.2.1 A.3.1 A.4.1
🔵 SAMA CSF
ID.BE-5 PR.DS-5 PR.PT-1 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:MSHTML
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS80.94%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-05-03
Published 2021-11-03
Source Feed cisa_kev
Views 5
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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