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Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 1h Global phishing Multiple sectors HIGH 2h Global insider Cybersecurity Services CRITICAL 2h Global ransomware Multiple sectors (U.S. companies) CRITICAL 2h Global malware Financial Services, Cryptocurrency CRITICAL 3h Global malware Technology and Cloud Services HIGH 3h Global general Financial Services and E-commerce MEDIUM 3h Global data_breach Social Media and Communications CRITICAL 3h Global general Cybersecurity Operations HIGH 4h Global phishing Technology and Consumer Services HIGH 4h Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 1h Global phishing Multiple sectors HIGH 2h Global insider Cybersecurity Services CRITICAL 2h Global ransomware Multiple sectors (U.S. companies) CRITICAL 2h Global malware Financial Services, Cryptocurrency CRITICAL 3h Global malware Technology and Cloud Services HIGH 3h Global general Financial Services and E-commerce MEDIUM 3h Global data_breach Social Media and Communications CRITICAL 3h Global general Cybersecurity Operations HIGH 4h Global phishing Technology and Consumer Services HIGH 4h Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 1h Global phishing Multiple sectors HIGH 2h Global insider Cybersecurity Services CRITICAL 2h Global ransomware Multiple sectors (U.S. companies) CRITICAL 2h Global malware Financial Services, Cryptocurrency CRITICAL 3h Global malware Technology and Cloud Services HIGH 3h Global general Financial Services and E-commerce MEDIUM 3h Global data_breach Social Media and Communications CRITICAL 3h Global general Cybersecurity Operations HIGH 4h Global phishing Technology and Consumer Services HIGH 4h
Vulnerabilities

CVE-2025-21418

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow (CVE-2025-21418)
Published: Feb 11, 2025  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow Vulnerability — Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.

🤖 AI Executive Summary

CVE-2025-21418 is a critical heap-based buffer overflow vulnerability in Microsoft Windows Ancillary Function Driver for WinSock that allows local attackers to escalate privileges and gain SYSTEM-level access. This vulnerability poses a severe risk to Windows systems as it enables complete system compromise through local exploitation.

📄 Description (Arabic)

تحتوي ثغرة CVE-2025-21418 على عيب في معالجة الذاكرة في برنامج تشغيل WinSock يسمح بتجاوز المخزن المؤقت على الكومة. يمكن لمهاجم محلي استغلال هذه الثغرة لتنفيذ كود عشوائي بامتيازات SYSTEM. هذا يؤدي إلى فقدان كامل السيطرة على النظام والبيانات.

🤖 ملخص تنفيذي (AI)

CVE-2025-21418 هو ثغرة حرجة في برنامج تشغيل Windows Ancillary Function Driver for WinSock تسمح لمهاجمين محليين بتصعيد الامتيازات والحصول على وصول على مستوى SYSTEM. تشكل هذه الثغرة خطراً شديداً على أنظمة Windows حيث تمكن من اختراق النظام بالكامل من خلال الاستغلال المحلي.

🤖 AI Intelligence Analysis Analyzed: Apr 17, 2026 08:32
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking government healthcare energy telecom
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Apply Microsoft security updates immediately. Disable WinSock Ancillary Function Driver if not required. Implement principle of least privilege to restrict local user access. Monitor system logs for suspicious WinSock driver activity. Restrict local administrative access and enforce strong authentication mechanisms.
🔧 خطوات المعالجة (العربية)
تطبيق تحديثات أمان Microsoft فوراً. تعطيل برنامج تشغيل WinSock Ancillary Function إذا لم يكن مطلوباً. تطبيق مبدأ أقل امتياز لتقييد وصول المستخدمين المحليين. مراقبة سجلات النظام للنشاط المريب. تقييد الوصول الإداري المحلي وفرض آليات مصادقة قوية.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A1 A2 A3 A4
🔵 SAMA CSF
ID.BE-1 PR.AC-1 PR.AC-4 DE.CM-1
🟡 ISO 27001:2022
A.5.1.1 A.6.1.1 A.9.1.1 A.12.6.1
🔗 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
EPSS8.43%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2025-03-04
Published 2025-02-11
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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