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Vulnerabilities

CVE-2012-1889

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft XML Core Services Remote Code Execution via Memory Corruption
Published: Jun 8, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft XML Core Services Memory Corruption Vulnerability — Microsoft XML Core Services contains a memory corruption vulnerability which could allow for remote code execution.

🤖 AI Executive Summary

CVE-2012-1889 is a critical memory corruption vulnerability in Microsoft XML Core Services (MSXML) with a CVSS score of 9.0. Active exploits exist allowing remote attackers to execute arbitrary code by processing specially crafted XML content, posing severe risks to legacy Windows systems still running vulnerable MSXML versions.

📄 Description (Arabic)

تؤثر هذه الثغرة الأمنية على مكتبة خدمات XML الأساسية من مايكروسوفت والتي تُستخدم على نطاق واسع في تطبيقات ويندوز لمعالجة بيانات XML. يمكن للمهاجم استغلال عيب إفساد الذاكرة عن طريق إرسال ملف XML أو صفحة ويب مُعدة بشكل خبيث، مما يؤدي إلى تنفيذ تعليمات برمجية ضارة بصلاحيات المستخدم الحالي. تكمن خطورة الثغرة في سهولة استغلالها عبر متصفحات الإنترنت أو التطبيقات التي تعالج محتوى XML خارجي. نظراً لعدم توفر تصحيح رسمي وقت اكتشافها ووجود استغلالات فعلية، تمثل هذه الثغرة تهديداً مستمراً للأنظمة القديمة غير المُحدثة.

🤖 ملخص تنفيذي (AI)

الثغرة CVE-2012-1889 هي ثغرة حرجة في إفساد الذاكرة في خدمات XML الأساسية من مايكروسوفت بدرجة خطورة 9.0. توجد استغلالات نشطة تسمح للمهاجمين عن بُعد بتنفيذ تعليمات برمجية عشوائية من خلال معالجة محتوى XML مُصمم خصيصاً، مما يشكل مخاطر جسيمة على أنظمة ويندوز القديمة التي لا تزال تشغل إصدارات MSXML الضعيفة.

🤖 AI Intelligence Analysis Analyzed: Feb 28, 2026 09:31
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations running legacy Windows systems with unpatched MSXML components face critical risk of remote compromise through web-based attacks or malicious documents. Financial institutions under SAMA oversight and government entities under NCA jurisdiction must prioritize identification and remediation of affected systems to prevent data breaches and operational disruption.
🏢 Affected Saudi Sectors
القطاع المالي والمصرفي الجهات الحكومية قطاع الرعاية الصحية قطاع الاتصالات وتقنية المعلومات قطاع التعليم البنية التحتية الحيوية
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
1. Immediately identify all systems running vulnerable Microsoft XML Core Services versions through comprehensive asset inventory and vulnerability scanning across all Windows endpoints and servers.
2. Apply Microsoft security updates MS12-043 and subsequent patches for MSXML components, or implement Microsoft Fix it solution 50907 as temporary mitigation if immediate patching is not feasible.
3. Deploy Enhanced Mitigation Experience Toolkit (EMET) on vulnerable systems, restrict XML processing from untrusted sources, and implement network segmentation to isolate legacy systems until full remediation is completed.
🔧 خطوات المعالجة (العربية)
1. تحديد فوري لجميع الأنظمة التي تشغل إصدارات خدمات XML الأساسية الضعيفة من خلال جرد شامل للأصول ومسح الثغرات عبر جميع نقاط نهاية ويندوز والخوادم.
2. تطبيق تحديثات الأمان من مايكروسوفت MS12-043 والتصحيحات اللاحقة لمكونات MSXML، أو تنفيذ حل Microsoft Fix it رقم 50907 كتخفيف مؤقت إذا لم يكن التصحيح الفوري ممكناً.
3. نشر مجموعة أدوات تجربة التخفيف المحسّنة (EMET) على الأنظمة الضعيفة، وتقييد معالجة XML من مصادر غير موثوقة، وتنفيذ تجزئة الشبكة لعزل الأنظمة القديمة حتى اكتمال المعالجة الكاملة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-1: Cybersecurity Governance ECC-3-1: Vulnerability Management ECC-4-1: Patch Management ECC-5-1: Network Security
🔵 SAMA CSF
CCC-1.1: Asset Management CCC-4.2: Vulnerability Assessment CCC-4.3: Patch Management CCC-6.1: Security Monitoring
🟡 ISO 27001:2022
A.12.6.1: Management of Technical Vulnerabilities A.14.2.1: Secure Development Policy A.18.2.3: Technical Compliance Review
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:XML Core Services
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS92.78%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-06-22
Published 2022-06-08
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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