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Vulnerabilities

CVE-2026-25172

High
Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
CWE-122 — Weakness Type
Published: Mar 10, 2026  ·  Modified: Mar 17, 2026  ·  Source: NVD
CVSS v3
8.0
🔗 NVD Official
📄 Description (English)

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

🤖 AI Executive Summary

A critical integer overflow vulnerability in Windows RRAS affects multiple Server versions (2012-2025), allowing authenticated attackers to execute arbitrary code remotely with CVSS 8.0. This poses significant risk to Saudi organizations using Windows Server for VPN, remote access, and network routing infrastructure. Immediate patching is essential given the wide range of affected versions and potential for lateral movement in enterprise networks.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 26, 2026 20:39
🇸🇦 Saudi Arabia Impact Assessment
High impact on Saudi banking sector (SAMA-regulated institutions relying on RRAS for secure remote access), government agencies (NCA, ministries using Windows Server infrastructure), healthcare organizations (MOH facilities), energy sector (ARAMCO and downstream companies), and telecommunications (STC, Mobily). RRAS is commonly deployed for VPN concentrators, remote desktop gateways, and site-to-site connectivity in critical infrastructure. Authenticated attackers could escalate privileges and compromise entire network segments.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Telecommunications Education Transportation
⚖️ Saudi Risk Score (AI)
8.5
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Windows Server instances running RRAS (2012, 2012 R2, 2016, 2019, 2022, 2025) using network scanning tools
2. Restrict RRAS access to trusted networks only; implement network segmentation
3. Enable enhanced logging for RRAS authentication and connection attempts
4. Review recent RRAS connection logs for suspicious activity

PATCHING GUIDANCE:
1. Apply Microsoft security updates immediately upon availability for all affected Server versions
2. Prioritize Windows Server 2019 and 2022 deployments (most common in Saudi enterprises)
3. Test patches in non-production environment first
4. Schedule maintenance windows for patching within 72 hours

COMPENSATING CONTROLS (if patch unavailable):
1. Implement network access control (NAC) to restrict RRAS access by device posture
2. Deploy multi-factor authentication (MFA) for all RRAS connections
3. Use VPN alternatives with better security posture temporarily
4. Monitor RRAS processes for abnormal behavior using EDR solutions

DETECTION RULES:
1. Monitor Event ID 20226 (RRAS connection attempts) for unusual patterns
2. Alert on RRAS service crashes or unexpected restarts
3. Track RAS server memory usage spikes indicating potential exploitation
4. Monitor for unexpected code execution from RRAS process context
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع خوادم Windows التي تقوم بتشغيل RRAS (2012، 2012 R2، 2016، 2019، 2022، 2025) باستخدام أدوات المسح
2. تقييد وصول RRAS إلى الشبكات الموثوقة فقط؛ تنفيذ تقسيم الشبكة
3. تفعيل السجلات المحسّنة لمصادقة RRAS ومحاولات الاتصال
4. مراجعة سجلات اتصال RRAS الأخيرة للبحث عن نشاط مريب

إرشادات التصحيح:
1. تطبيق تحديثات أمان Microsoft فوراً عند توفرها لجميع إصدارات Server المتأثرة
2. إعطاء الأولوية لنشرات Windows Server 2019 و 2022 (الأكثر شيوعاً في المؤسسات السعودية)
3. اختبار التصحيحات في بيئة غير الإنتاج أولاً
4. جدولة نوافذ الصيانة للتصحيح خلال 72 ساعة

الضوابط البديلة (إذا لم يكن التصحيح متاحاً):
1. تنفيذ التحكم في الوصول إلى الشبكة (NAC) لتقييد وصول RRAS حسب حالة الجهاز
2. نشر المصادقة متعددة العوامل (MFA) لجميع اتصالات RRAS
3. استخدام بدائل VPN بموقف أمني أفضل مؤقتاً
4. مراقبة عمليات RRAS للسلوك غير الطبيعي باستخدام حلول EDR

قواعد الكشف:
1. مراقبة معرّف الحدث 20226 (محاولات اتصال RRAS) للأنماط غير المعتادة
2. التنبيه على أعطال خدمة RRAS أو إعادة التشغيل غير المتوقعة
3. تتبع ارتفاعات استخدام ذاكرة خادم RAS التي تشير إلى استغلال محتمل
4. مراقبة تنفيذ الأكواد غير المتوقعة من سياق عملية RRAS
📋 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.12.2.1 - Monitoring and logging of access
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Asset management SAMA CSF PR.PT-2 - System and communications protection SAMA CSF DE.CM-1 - Detection processes and tools
🟡 ISO 27001:2022
ISO 27001:2022 A.12.2.1 - Information and other assets associated with information processing facilities ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.8.1.1 - Screening
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates PCI DSS 10.2 - Implement automated audit trails
📦 Affected Products / CPE 7 entries
microsoft:windows_server_2012:-
microsoft:windows_server_2012:r2
microsoft:windows_server_2016
microsoft:windows_server_2019
microsoft:windows_server_2022
microsoft:windows_server_2022_23h2
microsoft:windows_server_2025
📊 CVSS Score
8.0
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionR — Required
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.0
CWECWE-122
Exploit No
Patch ✓ Yes
Published 2026-03-10
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
8.5
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-122
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