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Vulnerabilities

CVE-2015-2426

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Windows Adobe Type Manager Library Remote Code Execution Vulnerability — A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library imprope
Published: Mar 28, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Windows Adobe Type Manager Library Remote Code Execution Vulnerability — A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles specially crafted OpenType fonts.

🤖 AI Executive Summary

CVE-2015-2426 is a critical remote code execution vulnerability in Microsoft Windows Adobe Type Manager Library affecting multiple Windows versions. Attackers can execute arbitrary code by crafting malicious OpenType fonts, with public exploits available. This vulnerability poses significant risk to Saudi organizations running unpatched Windows systems, particularly those handling document processing and design applications.

📄 Description (Arabic)

توجد ثغرة تنفيذ أكواد بعيدة في Microsoft Windows عندما تتعامل مكتبة Windows Adobe Type Manager بشكل غير صحيح مع خطوط OpenType المصممة بشكل خاص. يمكن للمهاجم استغلال هذه الثغرة لتنفيذ أكواد عشوائية على النظام المتأثر.

🤖 ملخص تنفيذي (AI)

ثغرة حرجة في مكتبة Adobe Type Manager في Microsoft Windows تسمح بتنفيذ أكواد بعيدة عند التعامل مع خطوط OpenType المصممة بشكل خاص

🤖 AI Intelligence Analysis Analyzed: Mar 30, 2026 20:50
🇸🇦 Saudi Arabia Impact Assessment
High impact on Saudi banking sector (SAMA-regulated institutions) using Windows for document processing and customer communications. Government agencies (NCA, Ministry of Interior) managing citizen data through Windows-based systems at risk. Healthcare sector (MOH facilities) processing patient records vulnerable. Energy sector (ARAMCO, downstream companies) using Windows for operational technology and administrative systems. Telecom operators (STC, Mobily, Zain) processing customer documents. Educational institutions and financial services firms heavily exposed due to widespread Windows deployment.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Telecommunications Education Design and Creative Services Document Processing Centers
⚖️ Saudi Risk Score (AI)
8.7
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all Windows systems in your environment and verify current patch status
2. Prioritize patching for systems handling external documents or fonts (design teams, document processing centers, customer-facing services)
3. Implement network segmentation to isolate systems that cannot be immediately patched
4. Disable or restrict access to Adobe Type Manager if not required

Patching Guidance:
1. Apply Microsoft security updates KB3045999 (Windows 7/Server 2008 R2), KB3045998 (Windows Vista/Server 2008), KB3046049 (Windows 8/Server 2012), KB3046306 (Windows 8.1/Server 2012 R2), and KB3046480 (Windows 10)
2. Verify patches through Windows Update or WSUS for enterprise environments
3. Test patches in non-production environments before enterprise deployment

Compensating Controls:
1. Block OpenType font files (.otf, .ttf) at email gateways and web proxies
2. Implement application whitelisting to restrict font processing applications
3. Disable font preview functionality in Windows Explorer
4. Monitor for suspicious font file downloads and processing

Detection Rules:
1. Monitor for unusual Adobe Type Manager Library (atmfd.dll) process behavior
2. Alert on OpenType font files being processed from untrusted sources
3. Track failed font rendering attempts and application crashes related to font processing
4. Monitor for code execution from font-related processes
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أنظمة Windows في بيئتك والتحقق من حالة التصحيح الحالية
2. إعطاء الأولوية لتصحيح الأنظمة التي تتعامل مع المستندات أو الخطوط الخارجية (فرق التصميم، مراكز معالجة المستندات، الخدمات الموجهة للعملاء)
3. تنفيذ تقسيم الشبكة لعزل الأنظمة التي لا يمكن تصحيحها فوراً
4. تعطيل أو تقييد الوصول إلى Adobe Type Manager إذا لم تكن مطلوبة

إرشادات التصحيح:
1. تطبيق تحديثات أمان Microsoft KB3045999 و KB3045998 و KB3046049 و KB3046306 و KB3046480 حسب إصدار Windows
2. التحقق من التصحيحات من خلال Windows Update أو WSUS للبيئات الموزعة
3. اختبار التصحيحات في بيئات غير الإنتاج قبل النشر على مستوى المؤسسة

الضوابط البديلة:
1. حظر ملفات خطوط OpenType على بوابات البريد الإلكتروني والوكلاء
2. تنفيذ قائمة بيضاء للتطبيقات لتقييد تطبيقات معالجة الخطوط
3. تعطيل وظيفة معاينة الخط في Windows Explorer
4. مراقبة تنزيلات ومعالجة ملفات الخطوط المريبة

قواعد الكشف:
1. مراقبة سلوك مكتبة Adobe Type Manager غير المعتاد
2. تنبيهات معالجة ملفات OpenType من مصادر غير موثوقة
3. تتبع محاولات عرض الخطوط الفاشلة وأعطال التطبيقات المتعلقة بمعالجة الخطوط
4. مراقبة تنفيذ الأوامر من عمليات متعلقة بالخطوط
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.14.2.1 - Secure development policy ECC 2024 A.12.3.1 - Configuration management
🔵 SAMA CSF
SAMA CSF ID.BE-5.1 - Cybersecurity risk management SAMA CSF PR.IP-12 - Software, firmware, and information integrity mechanisms SAMA CSF DE.CM-8 - Vulnerability scans
🟡 ISO 27001:2022
ISO 27001:2022 A.12.3.1 - Configuration management ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 - Secure development policy
🟣 PCI DSS v4.0
PCI DSS 6.2 - Security patches and updates PCI DSS 11.2 - Vulnerability scanning
🔗 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
EPSS91.75%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-04-18
Published 2022-03-28
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
8.7
/ 10.0 — Saudi Risk
🏷️ Tags
kev actively-exploited
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