📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global phishing Cross-sector HIGH 2h Global data_breach Energy CRITICAL 4h Global phishing Government/Multi-sector HIGH 4h Global apt Education CRITICAL 6h Global vulnerability Enterprise Software / ERP Systems CRITICAL 7h Global vulnerability IT Infrastructure CRITICAL 8h Global vulnerability Technology and Software Development HIGH 9h Global vulnerability Enterprise IT and Government CRITICAL 9h Global ransomware Multiple Sectors / Enterprise CRITICAL 10h Global general Technology and Legal MEDIUM 11h Global phishing Cross-sector HIGH 2h Global data_breach Energy CRITICAL 4h Global phishing Government/Multi-sector HIGH 4h Global apt Education CRITICAL 6h Global vulnerability Enterprise Software / ERP Systems CRITICAL 7h Global vulnerability IT Infrastructure CRITICAL 8h Global vulnerability Technology and Software Development HIGH 9h Global vulnerability Enterprise IT and Government CRITICAL 9h Global ransomware Multiple Sectors / Enterprise CRITICAL 10h Global general Technology and Legal MEDIUM 11h Global phishing Cross-sector HIGH 2h Global data_breach Energy CRITICAL 4h Global phishing Government/Multi-sector HIGH 4h Global apt Education CRITICAL 6h Global vulnerability Enterprise Software / ERP Systems CRITICAL 7h Global vulnerability IT Infrastructure CRITICAL 8h Global vulnerability Technology and Software Development HIGH 9h Global vulnerability Enterprise IT and Government CRITICAL 9h Global ransomware Multiple Sectors / Enterprise CRITICAL 10h Global general Technology and Legal MEDIUM 11h
Vulnerabilities

CVE-2026-34345

High
CWE-362 — Weakness Type
Published: May 12, 2026  ·  Modified: May 19, 2026  ·  Source: NVD
CVSS v3
7.0
🔗 NVD Official
📄 Description (English)

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

🤖 AI Executive Summary

CVE-2026-34345 is a local privilege escalation vulnerability in Windows Ancillary Function Driver for WinSock affecting multiple Windows 10 versions. The race condition in shared resource handling allows authorized local users to elevate privileges. While no public exploit is currently available and patches are pending, this vulnerability poses significant risk to Saudi organizations with Windows 10 deployments, particularly in government and banking sectors where privilege escalation could lead to unauthorized access to sensitive systems.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 17, 2026 10:37
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi government agencies (NCA, NCSC), banking sector (SAMA-regulated institutions, major banks), healthcare organizations, and energy sector (ARAMCO, utilities). The race condition in WinSock driver affects Windows 10 systems across x86, x64, and ARM64 architectures. In Saudi critical infrastructure environments, successful exploitation could allow insider threats or compromised accounts to escalate privileges and access classified government systems, financial transaction systems, or operational technology networks. The impact is particularly severe for organizations running legacy Windows 10 versions (1607, 1809) still common in Saudi government and enterprise environments.
🏢 Affected Saudi Sectors
Government Banking Healthcare Energy Telecommunications Critical Infrastructure Defense
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all Windows 10 systems across affected versions (1607, 1809, 21H2, 22H2) in your organization
2. Implement application whitelisting to restrict execution of suspicious processes attempting privilege escalation
3. Enable Windows Defender Exploit Guard and Attack Surface Reduction rules
4. Restrict local administrative access and enforce principle of least privilege
5. Monitor for suspicious WinSock driver activity and privilege escalation attempts

Patching Guidance:
1. Monitor Microsoft Security Updates for CVE-2026-34345 patch release
2. Prioritize patching for systems in high-risk environments (government, banking, healthcare)
3. Test patches in non-production environments before enterprise deployment
4. Establish expedited patching timeline once Microsoft releases fix

Compensating Controls (until patch available):
1. Disable unnecessary network services and WinSock-dependent applications where possible
2. Implement kernel patch protection and Code Integrity policies
3. Use Windows Sandbox or virtualization for untrusted applications
4. Enforce multi-factor authentication for administrative access
5. Implement privileged access management (PAM) solutions

Detection Rules:
1. Monitor for multiple concurrent WinSock API calls from same process
2. Alert on unexpected privilege escalation attempts from non-system accounts
3. Track abnormal driver loading and unloading sequences
4. Monitor for suspicious modifications to network driver configurations
5. Implement EDR solutions with behavioral analysis for privilege escalation patterns
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أنظمة Windows 10 عبر الإصدارات المتأثرة (1607، 1809، 21H2، 22H2) في مؤسستك
2. تطبيق قائمة بيضاء للتطبيقات لتقييد تنفيذ العمليات المريبة التي تحاول تصعيد الامتيازات
3. تفعيل Windows Defender Exploit Guard وقواعد تقليل سطح الهجوم
4. تقييد الوصول الإداري المحلي وفرض مبدأ أقل امتياز
5. مراقبة النشاط المريب لبرنامج تشغيل WinSock ومحاولات تصعيد الامتيازات

إرشادات التصحيح:
1. مراقبة تحديثات أمان Microsoft لإصدار تصحيح CVE-2026-34345
2. أولويات التصحيح للأنظمة في البيئات عالية المخاطر (الحكومة والبنوك والرعاية الصحية)
3. اختبار التصحيحات في بيئات غير الإنتاج قبل نشرها على مستوى المؤسسة
4. إنشاء جدول زمني معجل للتصحيح بمجرد إصدار Microsoft للإصلاح

الضوابط البديلة (حتى توفر التصحيح):
1. تعطيل الخدمات الشبكية غير الضرورية والتطبيقات التابعة لـ WinSock حيث أمكن
2. تطبيق حماية التصحيح النواة وسياسات سلامة الكود
3. استخدام Windows Sandbox أو المحاكاة الافتراضية للتطبيقات غير الموثوقة
4. فرض المصادقة متعددة العوامل للوصول الإداري
5. تطبيق حلول إدارة الوصول المميز (PAM)

قواعد الكشف:
1. مراقبة استدعاءات WinSock API المتزامنة المتعددة من نفس العملية
2. تنبيهات محاولات تصعيد الامتيازات غير المتوقعة من حسابات غير النظام
3. تتبع تسلسلات تحميل وتفريغ برنامج التشغيل المريبة
4. مراقبة التعديلات المريبة على تكوينات برنامج تشغيل الشبكة
5. تطبيق حلول EDR مع التحليل السلوكي لأنماط تصعيد الامتيازات
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policies ECC 2024 A.5.2.1 - User Registration and De-registration ECC 2024 A.5.3.1 - Access Rights Review ECC 2024 A.8.2.1 - User Endpoint Protection ECC 2024 A.12.2.1 - Change Management
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Hardware and Software Inventory SAMA CSF PR.AC-1 - Access Control Policy SAMA CSF PR.AC-4 - Access Rights Management SAMA CSF DE.CM-1 - System Monitoring SAMA CSF RS.MI-2 - Incident Response Procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access Control ISO 27001:2022 A.8.1 - User Endpoint Devices ISO 27001:2022 A.8.22 - Monitoring ISO 27001:2022 A.8.32 - Change Management ISO 27001:2022 A.8.33 - Test, Acceptance and Change
🟣 PCI DSS v4.0.1
PCI DSS 2.2.4 - Configure System Security Parameters PCI DSS 6.2 - Ensure Security Patches Installed PCI DSS 10.2 - Implement Automated Audit Trails
📦 Affected Products / CPE 23 entries
microsoft:windows_10_1607
microsoft:windows_10_1607
microsoft:windows_10_1809
microsoft:windows_10_1809
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_21h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_10_22h2
microsoft:windows_11_23h2
microsoft:windows_11_23h2
microsoft:windows_11_24h2
microsoft:windows_11_24h2
microsoft:windows_11_25h2
microsoft:windows_11_25h2
microsoft:windows_11_26h1
microsoft:windows_11_26h1
microsoft:windows_server_2016
microsoft:windows_server_2019
microsoft:windows_server_2022
microsoft:windows_server_2022_23h2
microsoft:windows_server_2025
📊 CVSS Score
7.0
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorL — Low / Local
Attack ComplexityH — High
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.0
CWECWE-362
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-05-12
Source Feed nvd
🇸🇦 Saudi Risk Score
7.2
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-362
Share this CVE
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.