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Global supply_chain Software Development and Technology HIGH 1h Global apt Government/Critical Infrastructure CRITICAL 3h Global vulnerability Enterprise Software / Data Analytics CRITICAL 4h Global vulnerability Artificial Intelligence and Technology HIGH 7h Global general Technology and Artificial Intelligence MEDIUM 10h Global general Technology and Artificial Intelligence HIGH 11h Global vulnerability Higher Education CRITICAL 21h Global data_breach Government HIGH 21h Global supply_chain Software Development and Open Source Communities CRITICAL 21h Global malware Software Development CRITICAL 22h Global supply_chain Software Development and Technology HIGH 1h Global apt Government/Critical Infrastructure CRITICAL 3h Global vulnerability Enterprise Software / Data Analytics CRITICAL 4h Global vulnerability Artificial Intelligence and Technology HIGH 7h Global general Technology and Artificial Intelligence MEDIUM 10h Global general Technology and Artificial Intelligence HIGH 11h Global vulnerability Higher Education CRITICAL 21h Global data_breach Government HIGH 21h Global supply_chain Software Development and Open Source Communities CRITICAL 21h Global malware Software Development CRITICAL 22h Global supply_chain Software Development and Technology HIGH 1h Global apt Government/Critical Infrastructure CRITICAL 3h Global vulnerability Enterprise Software / Data Analytics CRITICAL 4h Global vulnerability Artificial Intelligence and Technology HIGH 7h Global general Technology and Artificial Intelligence MEDIUM 10h Global general Technology and Artificial Intelligence HIGH 11h Global vulnerability Higher Education CRITICAL 21h Global data_breach Government HIGH 21h Global supply_chain Software Development and Open Source Communities CRITICAL 21h Global malware Software Development CRITICAL 22h
Vulnerabilities

CVE-2019-0859

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Win32k Privilege Escalation Vulnerability — Microsoft Win32k fails to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code i
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Win32k Privilege Escalation Vulnerability — Microsoft Win32k fails to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.

🤖 AI Executive Summary

Microsoft Win32k vulnerability allows privilege escalation through improper memory object handling, enabling attackers to execute code in kernel mode. This critical flaw affects Windows systems and poses severe risk to organizational security infrastructure.

📄 Description (Arabic)

تحتوي ثغرة Win32k على خلل في معالجة كائنات الذاكرة يسمح للمهاجمين بتصعيد امتيازاتهم وتنفيذ أكواد بصلاحيات kernel. يؤثر هذا على جميع أنظمة Windows المتأثرة ويمكن استغلاله محلياً أو عن بعد. يعتبر هذا التهديد حرجاً للغاية للمؤسسات السعودية التي تعتمد على البنية التحتية Windows.

🤖 ملخص تنفيذي (AI)

ثغرة في Microsoft Win32k تسمح بتصعيد الامتيازات من خلال معالجة غير صحيحة لكائنات الذاكرة، مما يمكن المهاجمين من تنفيذ الأكواد في وضع kernel. يؤثر هذا الخلل الحرج على أنظمة Windows ويشكل خطراً شديداً على البنية التحتية الأمنية للمنظمات.

🤖 AI Intelligence Analysis Analyzed: Apr 28, 2026 13:08
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking government telecom energy healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Apply Microsoft security updates immediately. Install KB4487017 or later patches for affected Windows versions. Implement application whitelisting and restrict user privileges. Monitor system logs for suspicious kernel-mode activities. Disable unnecessary Win32k features where possible.
🔧 خطوات المعالجة (العربية)
طبق تحديثات الأمان من Microsoft فوراً. ثبت KB4487017 أو التصحيحات الأحدث للإصدارات المتأثرة من Windows. طبق قائمة بيضاء للتطبيقات وقيد امتيازات المستخدمين. راقب سجلات النظام للأنشطة المريبة في وضع kernel. عطل ميزات Win32k غير الضرورية حيث أمكن.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A1.1 A2.1 A3.1 A4.1
🔵 SAMA CSF
ID.BE-1 PR.AC-1 PR.PT-1 DE.CM-1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.14.1.1 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
EPSS9.88%
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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