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Vulnerabilities

CVE-2012-0158

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability (CVE-2012-0158)
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft MSCOMCTL.OCX Remote Code Execution Vulnerability — Microsoft MSCOMCTL.OCX contains an unspecified vulnerability that allows for remote code execution, allowing an attacker to take complete control of an affected system under the context of the current user.

🤖 AI Executive Summary

CVE-2012-0158 is a critical remote code execution vulnerability in Microsoft MSCOMCTL.OCX that allows attackers to gain complete system control through malicious documents. With a CVSS score of 9.0 and active exploitation in the wild, this legacy vulnerability remains a significant threat to organizations still running unpatched systems or legacy applications.

📄 Description (Arabic)

تؤثر هذه الثغرة على مكون MSCOMCTL.OCX في أنظمة مايكروسوفت القديمة، حيث يمكن استغلالها عبر مستندات مكتبية مصابة أو صفحات ويب ضارة. عند فتح المستخدم لملف مصاب، يتم تنفيذ تعليمات برمجية خبيثة بصلاحيات المستخدم الحالي، مما يمنح المهاجم القدرة على تثبيت برامج ضارة، سرقة البيانات، أو التحكم الكامل بالنظام. تُستخدم هذه الثغرة بشكل واسع في حملات التصيد الاحتيالي والهجمات الموجهة ضد المؤسسات التي لم تقم بتحديث أنظمتها منذ عام 2012. رغم قدم الثغرة، إلا أنها لا تزال تشكل خطراً على البيئات التي تعتمد على تطبيقات قديمة أو أنظمة غير مدعومة.

🤖 ملخص تنفيذي (AI)

ثغرة CVE-2012-0158 هي ثغرة حرجة لتنفيذ التعليمات البرمجية عن بُعد في مكون Microsoft MSCOMCTL.OCX تسمح للمهاجمين بالسيطرة الكاملة على النظام من خلال مستندات ضارة. مع درجة خطورة 9.0 ووجود استغلال نشط، تظل هذه الثغرة القديمة تهديداً كبيراً للمؤسسات التي لا تزال تشغل أنظمة غير محدثة أو تطبيقات قديمة.

🤖 AI Intelligence Analysis Analyzed: Feb 28, 2026 09:23
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations running legacy Windows systems or outdated Office applications remain vulnerable to targeted attacks exploiting this well-documented vulnerability. Government entities, financial institutions, and critical infrastructure operators must ensure complete remediation as this vulnerability is frequently used in APT campaigns targeting the region.
🏢 Affected Saudi Sectors
القطاع الحكومي القطاع المالي والمصرفي قطاع الطاقة والمرافق قطاع الاتصالات وتقنية المعلومات قطاع الصحة قطاع التعليم القطاع الصناعي
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
1. Immediately apply Microsoft Security Bulletin MS12-027 patches to all Windows systems and Office installations, prioritizing internet-facing and critical business systems.
2. Implement application whitelisting and disable execution of ActiveX controls from untrusted sources, configure Office to block legacy file formats (.doc, .xls, .ppt) and enable Protected View for all external documents.
3. Deploy endpoint detection and response (EDR) solutions with behavioral monitoring to detect exploitation attempts, conduct vulnerability scanning to identify remaining vulnerable systems, and establish a legacy application remediation roadmap to eliminate dependencies on MSCOMCTL.OCX.
🔧 خطوات المعالجة (العربية)
1. تطبيق تحديثات الأمان من نشرة مايكروسوفت MS12-027 فوراً على جميع أنظمة ويندوز وتطبيقات أوفيس، مع إعطاء الأولوية للأنظمة المتصلة بالإنترنت والأنظمة الحرجة للأعمال.
2. تطبيق قوائم التطبيقات المسموحة وتعطيل تنفيذ عناصر ActiveX من مصادر غير موثوقة، تكوين أوفيس لحظر صيغ الملفات القديمة (.doc, .xls, .ppt) وتفعيل العرض المحمي لجميع المستندات الخارجية.
3. نشر حلول الكشف والاستجابة للنقاط الطرفية (EDR) مع المراقبة السلوكية لاكتشاف محاولات الاستغلال، إجراء فحص الثغرات لتحديد الأنظمة الضعيفة المتبقية، ووضع خارطة طريق لمعالجة التطبيقات القديمة للقضاء على الاعتماد على MSCOMCTL.OCX.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-1 ECC-1-2 ECC-2-1 ECC-3-1 ECC-4-1 ECC-5-1
🔵 SAMA CSF
CCC-1.1 CCC-1.2 CCC-2.1 CCC-3.1 CCC-4.1 TRM-1.1 TRM-2.1
🟡 ISO 27001:2022
A.12.6.1 A.12.6.2 A.14.2.2 A.14.2.3 A.18.2.2 A.18.2.3
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:MSCOMCTL.OCX
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.30%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-05-03
Published 2021-11-03
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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