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Vulnerabilities

CVE-2020-1040

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability — Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability due to the host server failing to properly val
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability — Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability due to the host server failing to properly validate input from an authenticated user on a guest operating system. Successful exploitation allows for remote code execution on the host operating system.

🤖 AI Executive Summary

Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability allowing authenticated guest users to execute arbitrary code on the host operating system. This critical vulnerability affects virtualized environments and requires immediate patching of affected Hyper-V installations.

📄 Description (Arabic)

تحتوي ثغرة CVE-2020-1040 على خلل في التحقق من صحة المدخلات في Microsoft Hyper-V RemoteFX vGPU يسمح للمستخدمين المصرح لهم على أنظمة التشغيل الضيفة بتجاوز آليات الأمان. يمكن للمهاجمين الذين لديهم وصول ضيف استغلال هذه الثغرة لتنفيذ أكواد عشوائية بامتيازات النظام المضيف.

🤖 ملخص تنفيذي (AI)

ثغرة في Microsoft Hyper-V RemoteFX vGPU تسمح للمستخدمين المصرح لهم في أنظمة التشغيل الضيف بتنفيذ أكواد عشوائية على نظام التشغيل المضيف. تؤثر هذه الثغرة الحرجة على البيئات الافتراضية وتتطلب تحديثاً فورياً.

🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 11:00
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Apply Microsoft security patches immediately. Disable RemoteFX vGPU if not required. Implement network segmentation to restrict guest-to-host communication. Monitor Hyper-V host systems for suspicious activity. Restrict administrative access to virtualization infrastructure.
🔧 خطوات المعالجة (العربية)
تطبيق تحديثات الأمان من Microsoft فوراً. تعطيل RemoteFX vGPU إذا لم يكن مطلوباً. تطبيق تقسيم الشبكة لتقييد الاتصالات بين الأنظمة الضيفة والمضيفة. مراقبة أنظمة Hyper-V المضيفة للكشف عن النشاط المريب. تقييد الوصول الإداري لبنية التوازي.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.9.1.1 A.9.2.1 A.9.4.1
🔵 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:Hyper-V RemoteFX
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS0.18%
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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