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Vulnerabilities

CVE-2019-0803

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Win32k Privilege Escalation Vulnerability — Microsoft Win32k contains an unspecified vulnerability due to it failing to properly handle objects in memory causing privilege escalation. Succes
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Win32k Privilege Escalation Vulnerability — Microsoft Win32k contains an unspecified vulnerability due to it failing to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.

🤖 AI Executive Summary

CVE-2019-0803 is a critical privilege escalation vulnerability in Microsoft Win32k that allows attackers to execute code in kernel mode by exploiting improper memory object handling. This vulnerability affects Windows systems and requires local access to exploit, posing a severe risk to system security.

📄 Description (Arabic)

ثغرة في Microsoft Win32k تسمح بتصعيد الامتيازات من خلال معالجة غير صحيحة لكائنات الذاكرة. يمكن للمهاجمين المحليين استغلال هذه الثغرة لتنفيذ كود تعسفي بامتيازات kernel. تؤثر على جميع إصدارات Windows المتأثرة.

🤖 ملخص تنفيذي (AI)

CVE-2019-0803 هي ثغرة حرجة في امتياز التصعيد في Microsoft Win32k تسمح للمهاجمين بتنفيذ الكود في وضع kernel عن طريق استغلال معالجة كائنات الذاكرة غير الصحيحة. تؤثر هذه الثغرة على أنظمة Windows وتتطلب وصول محلي للاستغلال.

🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 09:59
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government banking telecom healthcare energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Apply Microsoft security patch KB4489873 or later immediately. Update Windows systems to the latest version. Implement principle of least privilege and restrict user account permissions. Monitor for suspicious kernel-mode code execution and disable unnecessary Win32k functionality where possible.
🔧 خطوات المعالجة (العربية)
طبق تصحيح الأمان من Microsoft KB4489873 أو أحدث على الفور. حدّث أنظمة Windows إلى أحدث إصدار. طبق مبدأ أقل امتياز وقيّد صلاحيات حسابات المستخدمين. راقب تنفيذ الكود في وضع kernel المريب وعطّل وظائف Win32k غير الضرورية.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 5.3
🔵 SAMA CSF
ID.BE-1 PR.AC-1 PR.PT-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:Win32k
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS90.30%
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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