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Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 46m Global phishing Multiple sectors HIGH 1h Global insider Cybersecurity Services CRITICAL 1h Global ransomware Multiple sectors (U.S. companies) CRITICAL 2h Global malware Financial Services, Cryptocurrency CRITICAL 2h Global malware Technology and Cloud Services HIGH 2h Global general Financial Services and E-commerce MEDIUM 2h Global data_breach Social Media and Communications CRITICAL 2h Global general Cybersecurity Operations HIGH 3h Global phishing Technology and Consumer Services HIGH 3h Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 46m Global phishing Multiple sectors HIGH 1h Global insider Cybersecurity Services CRITICAL 1h Global ransomware Multiple sectors (U.S. companies) CRITICAL 2h Global malware Financial Services, Cryptocurrency CRITICAL 2h Global malware Technology and Cloud Services HIGH 2h Global general Financial Services and E-commerce MEDIUM 2h Global data_breach Social Media and Communications CRITICAL 2h Global general Cybersecurity Operations HIGH 3h Global phishing Technology and Consumer Services HIGH 3h Global vulnerability Industrial Control Systems / IoT / Infrastructure CRITICAL 46m Global phishing Multiple sectors HIGH 1h Global insider Cybersecurity Services CRITICAL 1h Global ransomware Multiple sectors (U.S. companies) CRITICAL 2h Global malware Financial Services, Cryptocurrency CRITICAL 2h Global malware Technology and Cloud Services HIGH 2h Global general Financial Services and E-commerce MEDIUM 2h Global data_breach Social Media and Communications CRITICAL 2h Global general Cybersecurity Operations HIGH 3h Global phishing Technology and Consumer Services HIGH 3h
Vulnerabilities

CVE-2009-0556

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft PowerPoint Remote Code Execution via OutlineTextRefAtom Memory Corruption
Published: Jan 7, 2026  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Office PowerPoint Code Injection Vulnerability — Microsoft Office PowerPoint contains a code injection vulnerability that allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an invalid index value that triggers memory corruption.

🤖 AI Executive Summary

Microsoft Office PowerPoint contains a critical code injection vulnerability (CVE-2009-0556) allowing remote attackers to execute arbitrary code through maliciously crafted PowerPoint files. The vulnerability exploits an invalid index value in OutlineTextRefAtom that triggers memory corruption, with active exploits available in the wild.

📄 Description (Arabic)

تمثل هذه الثغرة خطراً أمنياً حرجاً في مايكروسوفت باوربوينت حيث يمكن للمهاجمين استغلال عيب في معالجة كائن OutlineTextRefAtom داخل ملفات العرض التقديمي. عند فتح ملف باوربوينت مصمم بشكل خبيث يحتوي على قيمة فهرس غير صالحة، يحدث فساد في الذاكرة يمكن استغلاله لتنفيذ أكواد برمجية ضارة على النظام المستهدف. تعتبر هذه الثغرة خطيرة بشكل خاص لأن الاستغلال يتطلب فقط من المستخدم فتح ملف مرفق أو تحميله من مصدر غير موثوق، مع وجود أدوات استغلال متاحة بالفعل مما يزيد من احتمالية الهجمات الموجهة.

🤖 ملخص تنفيذي (AI)

يحتوي مايكروسوفت أوفيس باوربوينت على ثغرة حرجة لحقن الأكواد (CVE-2009-0556) تسمح للمهاجمين عن بعد بتنفيذ أكواد برمجية عشوائية من خلال ملفات باوربوينت المصممة بشكل خبيث. تستغل الثغرة قيمة فهرس غير صالحة في OutlineTextRefAtom مما يؤدي إلى فساد الذاكرة، مع وجود استغلالات نشطة في البرية.

🤖 AI Intelligence Analysis Analyzed: Feb 28, 2026 08:47
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations heavily relying on Microsoft Office for business operations face significant risk from targeted phishing campaigns delivering weaponized PowerPoint files. Government entities, financial institutions under SAMA supervision, and critical infrastructure operators are particularly vulnerable to espionage and data theft through this vector.
🏢 Affected Saudi Sectors
القطاع الحكومي القطاع المالي والمصرفي قطاع الطاقة والمرافق قطاع الاتصالات وتقنية المعلومات قطاع الصحة قطاع التعليم القطاع الخاص
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
1. Immediately apply Microsoft security patches for Office PowerPoint and enable automatic updates to ensure all systems receive critical security fixes promptly
2. Implement email gateway filtering to block or quarantine PowerPoint files from untrusted sources, and deploy endpoint detection and response (EDR) solutions to detect exploitation attempts
3. Enforce user awareness training on risks of opening unsolicited PowerPoint files, disable macros by default, and consider application whitelisting to prevent unauthorized code execution
🔧 خطوات المعالجة (العربية)
1. تطبيق تحديثات الأمان من مايكروسوفت لبرنامج أوفيس باوربوينت فوراً وتفعيل التحديثات التلقائية لضمان حصول جميع الأنظمة على إصلاحات الأمان الحرجة بشكل سريع
2. تنفيذ تصفية بوابات البريد الإلكتروني لحظر أو عزل ملفات باوربوينت من مصادر غير موثوقة، ونشر حلول الكشف والاستجابة للنقاط الطرفية (EDR) لاكتشاف محاولات الاستغلال
3. فرض تدريب توعية المستخدمين حول مخاطر فتح ملفات باوربوينت غير المرغوب فيها، وتعطيل الماكرو افتراضياً، والنظر في تطبيق القائمة البيضاء للتطبيقات لمنع تنفيذ الأكواد غير المصرح بها
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-2 (Vulnerability Management) ECC-3-1 (System Hardening) ECC-4-1 (Security Monitoring) ECC-5-2 (Incident Response)
🔵 SAMA CSF
CCC-1.1 (Asset Management) CCC-3.2 (Vulnerability Management) CCC-4.1 (Security Awareness) CCC-6.1 (Incident Management)
🟡 ISO 27001:2022
A.12.6.1 (Management of Technical Vulnerabilities) A.14.2.2 (System Change Control Procedures) A.12.2.1 (Controls Against Malware)
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:Office
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2026-01-28
Published 2026-01-07
Source Feed cisa_kev
Views 2
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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