📄 Description (English)
Out-of-bounds write in SveService prior to SMR May-2026 Release 1 allows local privileged attackers to execute arbitrary code.
🤖 AI Executive Summary
CVE-2026-21018 is a medium-severity out-of-bounds write vulnerability in Samsung's SveService affecting Android 14.0 devices across multiple security patch levels. The vulnerability requires local privileged access but enables arbitrary code execution, posing a significant risk to Samsung device users in Saudi Arabia. No patch is currently available, requiring immediate compensating controls and monitoring until the May 2026 SMR release.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 15, 2026 03:19
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi government agencies, financial institutions, and enterprises using Samsung Android 14.0 devices for mobile workforce management. High-risk sectors include: SAMA-regulated banking institutions, NCA government entities, healthcare providers (MOH), energy sector (ARAMCO), and telecommunications (STC, Mobily). The local privilege requirement limits immediate risk but poses significant insider threat concerns in organizations with elevated user access. Device management and BYOD programs are particularly vulnerable.
🏢 Affected Saudi Sectors
Banking & Financial Services (SAMA-regulated)
Government & Public Administration (NCA oversight)
Healthcare (MOH)
Energy & Utilities (ARAMCO, SEC)
Telecommunications (STC, Mobily, Zain)
Defense & Security
Education
Enterprise & BYOD Programs
🎯 MITRE ATT&CK Techniques
T1548.004 - Abuse Elevation Control Mechanism (privilege escalation via SveService)
T1547.014 - Boot or Logon Initialization Scripts (persistence via system service)
T1543.003 - Create or Modify System Process (SveService manipulation)
T1055 - Process Injection (arbitrary code execution via out-of-bounds write)
T1134.003 - Process Hollowing (code execution in privileged context)
T1562.001 - Disable or Modify Tools (disable security monitoring)
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all Samsung Android 14.0 devices across the organization, prioritizing those with SveService enabled
2. Restrict local privileged access on Samsung devices through MDM/EMM policies (Intune, Knox, MobileIron)
3. Disable SveService if not operationally required via Knox Knox Vault or Samsung Knox Matrix
4. Implement application whitelisting to prevent unauthorized privilege escalation
5. Enable Knox Real-time Protection and Knox Vault encryption
Detection & Monitoring:
6. Monitor for SveService process anomalies using MDM telemetry and SELinux audit logs
7. Alert on unexpected SveService memory access patterns or child process spawning
8. Track failed privilege escalation attempts via Knox audit logs
9. Implement behavioral analysis for out-of-bounds memory access patterns
Compensating Controls:
10. Enforce strict code signing verification for all system services
11. Apply Samsung Knox security patches immediately upon May 2026 SMR release
12. Isolate high-risk devices in separate network segments
13. Require multi-factor authentication for all privileged operations
14. Maintain offline backups of critical data on affected devices
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع أجهزة سامسونج Android 14.0 في المنظمة، مع إعطاء الأولوية لتلك التي تحتوي على SveService مفعّل
2. تقييد الوصول المحلي المميز على أجهزة سامسونج من خلال سياسات MDM/EMM (Intune, Knox, MobileIron)
3. تعطيل SveService إذا لم يكن مطلوباً تشغيلياً عبر Knox Vault أو Samsung Knox Matrix
4. تطبيق قائمة بيضاء للتطبيقات لمنع تصعيد الامتيازات غير المصرح به
5. تفعيل Knox Real-time Protection و Knox Vault encryption
الكشف والمراقبة:
6. مراقبة شذوذ عملية SveService باستخدام بيانات MDM و SELinux audit logs
7. تنبيهات على أنماط وصول ذاكرة SveService غير المتوقعة أو توليد العمليات الفرعية
8. تتبع محاولات تصعيد الامتيازات الفاشلة عبر Knox audit logs
9. تطبيق التحليل السلوكي لأنماط الوصول إلى الذاكرة خارج الحدود
الضوابط التعويضية:
10. فرض التحقق الصارم من التوقيع على الكود لجميع خدمات النظام
11. تطبيق رقع أمان سامسونج Knox فوراً عند إصدار SMR في مايو 2026
12. عزل الأجهزة عالية المخاطر في قطاعات شبكة منفصلة
13. طلب المصادقة متعددة العوامل لجميع العمليات المميزة
14. الحفاظ على نسخ احتياطية غير متصلة بالإنترنت للبيانات الحرجة على الأجهزة المتأثرة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policies (privileged access restrictions)
ECC 2024 A.8.1.1 - Asset Management (device inventory and classification)
ECC 2024 A.12.2.1 - Change Management (patch deployment procedures)
ECC 2024 A.14.2.1 - Vulnerability Management (vulnerability assessment and remediation)
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Asset Management (inventory Samsung devices)
SAMA CSF PR.AC-1 - Access Control (restrict privileged access)
SAMA CSF PR.PT-2 - Protection Processes (security patch management)
SAMA CSF DE.CM-1 - Detection and Analysis (monitor for exploitation attempts)
🟡 ISO 27001:2022
ISO 27001:2022 A.5.3 - Segregation of duties (privilege management)
ISO 27001:2022 A.8.1 - Asset management (device inventory)
ISO 27001:2022 A.8.2 - Information classification (sensitive device handling)
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches for system components
PCI DSS 7.1 - Restrict access to cardholder data by business need
PCI DSS 11.2 - Vulnerability scanning and remediation
📦 Affected Products / CPE 50 entries
samsung:android:14.0
samsung:android:14.0
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