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Vulnerabilities

CVE-2018-8639

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability — Microsoft Windows Win32k contains an improper resource shutdown or release vulnerability that allows for local, authentic
Published: Mar 3, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability — Microsoft Windows Win32k contains an improper resource shutdown or release vulnerability that allows for local, authenticated privilege escalation. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.

🤖 AI Executive Summary

Microsoft Windows Win32k contains an improper resource shutdown vulnerability allowing authenticated local users to escalate privileges and execute arbitrary code in kernel mode. This critical vulnerability affects multiple Windows versions and requires local access with valid credentials.

📄 Description (Arabic)

تحتوي ثغرة Win32k على خلل في إدارة الموارد يسمح للمهاجمين المصرحين محليًا بتجاوز حماية الامتيازات. يمكن للمهاجم استغلال هذه الثغرة لتنفيذ أكواد عشوائية بصلاحيات kernel الكاملة، مما يؤدي إلى السيطرة الكاملة على النظام.

🤖 ملخص تنفيذي (AI)

ثغرة في Microsoft Windows Win32k تتعلق بإطلاق الموارد بشكل غير صحيح، مما يسمح للمستخدمين المصرحين محليًا بتصعيد الامتيازات وتنفيذ أكواد عشوائية في وضع kernel. تؤثر هذه الثغرة الحرجة على إصدارات Windows متعددة وتتطلب وصولاً محليًا بأوراق اعتماد صحيحة.

🤖 AI Intelligence Analysis Analyzed: Apr 27, 2026 20:00
🇸🇦 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 patches KB4457960 or later immediately. Update all affected Windows systems to the latest patched versions. Restrict local user access and implement principle of least privilege. Monitor for suspicious kernel-mode code execution attempts.
🔧 خطوات المعالجة (العربية)
طبق تصحيحات أمان Microsoft KB4457960 أو الإصدارات الأحدث فوراً. حدّث جميع أنظمة Windows المتأثرة إلى أحدث الإصدارات المصححة. قيّد وصول المستخدمين المحليين وطبّق مبدأ أقل امتياز. راقب محاولات تنفيذ أكواد kernel-mode المريبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2.1.1 2.2.2 3.1.1
🔵 SAMA CSF
ID.AM-2 PR.DS-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:Windows
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS31.88%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-03-24
Published 2025-03-03
Source Feed cisa_kev
Views 5
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited ransomware
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