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Vulnerabilities

CVE-2017-0210

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Internet Explorer Privilege Escalation Vulnerability — A privilege escalation vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow a
Published: May 24, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Internet Explorer Privilege Escalation Vulnerability — A privilege escalation vulnerability exists when Internet Explorer does not properly enforce cross-domain policies, which could allow an attacker to access information.

🤖 AI Executive Summary

CVE-2017-0210 is a critical privilege escalation vulnerability in Microsoft Internet Explorer caused by improper enforcement of cross-domain policies. This allows attackers to access sensitive information from other domains, effectively bypassing Same-Origin Policy protections. With a CVSS score of 9.0 and known exploits available in the wild, this vulnerability poses an immediate threat to organizations still using Internet Explorer. Despite being a 2017 vulnerability with patches available, legacy IE usage in government and enterprise environments makes this a persistent risk.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 7, 2026 06:53
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability is particularly concerning for Saudi organizations that still rely on Internet Explorer for legacy web applications, which is common in government ministries, banking portals (SAMA-regulated institutions), and healthcare systems. Many Saudi government e-services and internal portals were historically built for IE compatibility. Banking sector institutions using IE-dependent internal applications face risk of cross-domain information theft, potentially exposing customer financial data. Energy sector organizations including ARAMCO and its contractors may have legacy SCADA/HMI web interfaces requiring IE. Telecom operators like STC may have internal management systems with IE dependencies.
🏢 Affected Saudi Sectors
Government Banking Healthcare Energy Telecom Education
⚖️ Saudi Risk Score (AI)
7.5
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Apply Microsoft Security Bulletin MS17-006 or the April 2017 cumulative security update for Internet Explorer immediately.
2. Conduct an enterprise-wide audit to identify all systems still running Internet Explorer.

Patching Guidance:
- Deploy KB4014661 (April 2017 Security Update) via WSUS or SCCM.
- Prioritize systems accessing sensitive internal portals and financial applications.

Compensating Controls:
- Migrate all users to Microsoft Edge or Google Chrome where possible.
- Implement Enhanced Protected Mode (EPM) in Internet Explorer.
- Deploy Content Security Policy (CSP) headers on all internal web applications.
- Use network segmentation to isolate systems that must use IE for legacy applications.
- Enable IE's cross-domain policy restrictions via Group Policy.

Detection Rules:
- Monitor for unusual cross-domain requests in web proxy logs.
- Deploy IDS/IPS signatures for CVE-2017-0210 exploitation attempts.
- Alert on Internet Explorer processes making unexpected network connections to external domains.
- Monitor for suspicious iframe injection patterns in network traffic.
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تطبيق تحديث الأمان من مايكروسوفت MS17-006 أو التحديث الأمني التراكمي لشهر أبريل 2017 لإنترنت إكسبلورر فوراً.
2. إجراء تدقيق شامل على مستوى المؤسسة لتحديد جميع الأنظمة التي لا تزال تشغل إنترنت إكسبلورر.

إرشادات التصحيح:
- نشر التحديث KB4014661 (تحديث أمان أبريل 2017) عبر WSUS أو SCCM.
- إعطاء الأولوية للأنظمة التي تصل إلى البوابات الداخلية الحساسة والتطبيقات المالية.

الضوابط التعويضية:
- ترحيل جميع المستخدمين إلى Microsoft Edge أو Google Chrome حيثما أمكن.
- تفعيل وضع الحماية المحسن (EPM) في إنترنت إكسبلورر.
- نشر رؤوس سياسة أمان المحتوى (CSP) على جميع تطبيقات الويب الداخلية.
- استخدام تجزئة الشبكة لعزل الأنظمة التي يجب أن تستخدم IE للتطبيقات القديمة.
- تفعيل قيود سياسة النطاقات المتقاطعة في IE عبر سياسة المجموعة.

قواعد الكشف:
- مراقبة طلبات النطاقات المتقاطعة غير المعتادة في سجلات وكيل الويب.
- نشر توقيعات IDS/IPS لمحاولات استغلال CVE-2017-0210.
- التنبيه عند قيام عمليات إنترنت إكسبلورر باتصالات شبكة غير متوقعة بنطاقات خارجية.
- مراقبة أنماط حقن iframe المشبوهة في حركة مرور الشبكة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
2-3-1 (Patch Management) 2-5-1 (Web Application Security) 2-2-1 (Asset Management) 2-6-1 (Network Security)
🔵 SAMA CSF
3.3.3 (Patch Management) 3.3.5 (Secure Configuration) 3.1.3 (Cyber Security Risk Management) 3.3.7 (Web Security)
🟡 ISO 27001:2022
A.8.8 (Management of Technical Vulnerabilities) A.8.9 (Configuration Management) A.8.22 (Web Filtering) A.8.23 (Information Security for Use of Cloud Services)
🟣 PCI DSS v4.0
6.3.3 (Patching Security Vulnerabilities) 6.4.1 (Public-Facing Web Applications Protection) 11.3 (Penetration Testing)
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:Internet Explorer
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS36.44%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-06-14
Published 2022-05-24
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
7.5
/ 10.0 — Saudi Risk
🏷️ Tags
kev actively-exploited
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