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Vulnerabilities

CVE-2026-32226

Medium
CWE-362 — Weakness Type
Published: Apr 14, 2026  ·  Modified: Apr 17, 2026  ·  Source: NVD
CVSS v3
5.9
🔗 NVD Official
📄 Description (English)

Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.

🤖 AI Executive Summary

CVE-2026-32226 is a race condition vulnerability in .NET Framework that enables network-based denial of service attacks through improper synchronization of shared resources. With a CVSS score of 5.9 and no available patch, this poses a moderate but persistent threat to organizations running .NET applications. The lack of exploit availability currently limits immediate risk, but organizations should prepare mitigation strategies.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 24, 2026 16:20
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations heavily reliant on .NET Framework—particularly in banking (SAMA-regulated institutions), government digital transformation initiatives (NCA oversight), healthcare systems, and telecommunications—face service disruption risks. Financial institutions using .NET for transaction processing and government agencies managing critical digital services are most vulnerable. Energy sector organizations and ARAMCO subsidiaries utilizing .NET infrastructure could experience operational disruptions.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Telecommunications E-commerce and Retail
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all .NET Framework deployments across your infrastructure and identify critical applications
2. Implement network-level rate limiting and connection throttling on .NET application endpoints
3. Enable detailed logging and monitoring for abnormal concurrent connection patterns
4. Establish incident response procedures for DoS scenarios

Compensating Controls:
1. Deploy Web Application Firewalls (WAF) with DoS protection rules
2. Implement load balancing with connection pooling limits
3. Configure OS-level resource limits (ulimit, connection timeouts)
4. Enable application-level request queuing and timeout mechanisms
5. Implement DDoS mitigation services at network perimeter

Detection Rules:
1. Monitor for sudden spikes in concurrent connections to .NET applications
2. Alert on resource exhaustion patterns (CPU, memory, thread pool saturation)
3. Track failed connection attempts and timeout errors
4. Implement SIEM rules for abnormal synchronization-related exceptions in application logs

Patching Strategy:
1. Monitor Microsoft security advisories for patch availability
2. Prepare test environments for rapid patch deployment once available
3. Maintain current .NET Framework versions to receive security updates promptly
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع نشرات .NET Framework عبر البنية التحتية وحدد التطبيقات الحرجة
2. طبّق تحديد معدل على مستوى الشبكة وتقليل الاتصالات على نقاط نهاية تطبيقات .NET
3. فعّل التسجيل والمراقبة المفصلة لأنماط الاتصالات المتزامنة غير الطبيعية
4. ضع إجراءات الاستجابة للحوادث لسيناريوهات حجب الخدمة

الضوابط البديلة:
1. نشّر جدران حماية تطبيقات الويب (WAF) مع قواعد حماية DoS
2. طبّق موازنة الحمل مع حدود تجميع الاتصالات
3. كوّن حدود الموارد على مستوى نظام التشغيل (ulimit، مهلات الاتصال)
4. فعّل آليات قائمة الانتظار على مستوى التطبيق ومهلات المعالجة
5. طبّق خدمات تخفيف DDoS على محيط الشبكة

قواعد الكشف:
1. راقب الارتفاعات المفاجئة في الاتصالات المتزامنة لتطبيقات .NET
2. أصدر تنبيهات لأنماط استنزاف الموارد (CPU، الذاكرة، تشبع مجموعة الخيوط)
3. تتبع محاولات الاتصال الفاشلة وأخطاء المهلة الزمنية
4. طبّق قواعد SIEM للاستثناءات المتعلقة بالمزامنة غير الطبيعية في سجلات التطبيق

استراتيجية التصحيح:
1. راقب إشعارات أمان Microsoft لتوفر التصحيحات
2. جهّز بيئات الاختبار للنشر السريع للتصحيحات عند توفرها
3. حافظ على إصدارات .NET Framework الحالية لتلقي التحديثات الأمنية بسرعة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of changes to information systems ECC 2024 A.12.2.1 - Monitoring and logging of system activities ECC 2024 A.13.1.3 - Segregation of networks
🔵 SAMA CSF
SAMA CSF ID.BE-3 - Resilience objectives and priorities SAMA CSF PR.DS-4 - Adequate capacity and performance management SAMA CSF DE.CM-1 - System monitoring and anomaly detection
🟡 ISO 27001:2022
ISO 27001:2022 A.12.6.1 - Management of technical changes ISO 27001:2022 A.12.4.1 - Event logging ISO 27001:2022 A.8.2.1 - User registration and access rights
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates PCI DSS 10.2 - Logging and monitoring of access
📊 CVSS Score
5.9
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityH — High
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity Medium
CVSS Score5.9
CWECWE-362
EPSS0.07%
Exploit No
Patch ✗ No
Published 2026-04-14
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
6.2
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-362
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