📄 Description (English)
Inappropriate implementation in Workers in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)
🤖 AI Executive Summary
CVE-2026-10996 is a medium-severity same-origin policy (SOP) bypass vulnerability in Google Chrome's Workers implementation affecting versions prior to 149.0.7827.53. An attacker can craft malicious HTML pages to circumvent SOP protections, potentially enabling unauthorized access to sensitive data from other origins. While no public exploit is currently available, the vulnerability poses a significant risk to users accessing untrusted websites and organizations relying on SOP for security boundaries.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Jun 6, 2026 05:03
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi banking and financial institutions (SAMA-regulated entities) that rely on SOP for protecting customer data and transaction information. Government agencies and NCA-regulated entities handling classified information are at risk if employees access compromised websites. Saudi telecommunications companies (STC, Mobily, Zain) and e-commerce platforms are vulnerable to data exfiltration attacks. Healthcare organizations using web-based systems for patient data management face potential HIPAA-equivalent compliance violations. Energy sector organizations (ARAMCO, SEC) using web applications for critical infrastructure monitoring could be compromised.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare
Energy and Utilities
Telecommunications
E-commerce and Retail
Education
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all Chrome deployments across your organization and document current versions
2. Disable or restrict access to untrusted websites and implement web filtering policies
3. Enable Enhanced Safe Browsing in Chrome settings for all users
4. Implement Content Security Policy (CSP) headers with strict frame-ancestors and script-src directives
Patching Guidance:
1. Update Google Chrome to version 149.0.7827.53 or later immediately upon release
2. For enterprise deployments, use Chrome Enterprise policies to enforce automatic updates
3. Configure Chrome to block third-party cookies and restrict cross-origin requests
Compensating Controls:
1. Implement network-level controls: deploy Web Application Firewalls (WAF) to detect and block SOP bypass attempts
2. Monitor for suspicious cross-origin requests using SIEM solutions
3. Enforce strict CORS policies on all web applications
4. Implement additional authentication mechanisms for sensitive operations
5. Use X-Frame-Options and X-Content-Type-Options headers on all web applications
Detection Rules:
1. Monitor Chrome process logs for unusual Worker creation patterns
2. Alert on cross-origin requests to sensitive domains from unexpected sources
3. Track failed SOP enforcement events in browser security logs
4. Monitor for HTML files containing suspicious Worker instantiation code
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نشرات Chrome في مؤسستك وتوثيق الإصدارات الحالية
2. تعطيل أو تقييد الوصول إلى المواقع غير الموثوقة وتنفيذ سياسات تصفية الويب
3. تفعيل Enhanced Safe Browsing في إعدادات Chrome لجميع المستخدمين
4. تنفيذ سياسات Content Security Policy (CSP) مع توجيهات صارمة لـ frame-ancestors و script-src
إرشادات التصحيح:
1. تحديث Google Chrome إلى الإصدار 149.0.7827.53 أو أحدث فوراً عند إصداره
2. لنشرات المؤسسات، استخدم سياسات Chrome Enterprise لفرض التحديثات التلقائية
3. تكوين Chrome لحظر ملفات تعريف الارتباط من جهات خارجية وتقييد الطلبات عبر الأصول
الضوابط البديلة:
1. تنفيذ الضوابط على مستوى الشبكة: نشر جدران حماية تطبيقات الويب (WAF) للكشف عن محاولات تجاوز SOP
2. مراقبة الطلبات المريبة عبر الأصول باستخدام حلول SIEM
3. فرض سياسات CORS صارمة على جميع تطبيقات الويب
4. تنفيذ آليات مصادقة إضافية للعمليات الحساسة
5. استخدام رؤوس X-Frame-Options و X-Content-Type-Options على جميع تطبيقات الويب
قواعد الكشف:
1. مراقبة سجلات عملية Chrome للأنماط غير العادية في إنشاء Worker
2. التنبيه على الطلبات عبر الأصول إلى النطاقات الحساسة من مصادر غير متوقعة
3. تتبع أحداث فشل فرض SOP في سجلات أمان المتصفح
4. مراقبة ملفات HTML التي تحتوي على كود مريب لإنشاء Worker
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.1.1 - Information security requirements for web applications
ECC 2024 A.14.2.1 - Secure development and change management
ECC 2024 A.14.3.1 - Testing of security functionality
🔵 SAMA CSF
SAMA CSF ID.BE-3.2 - Organizational roles and responsibilities
SAMA CSF PR.AC-1.1 - Access control policies and procedures
SAMA CSF PR.AC-3.1 - Access enforcement through mechanisms
SAMA CSF DE.CM-1.1 - Detection and monitoring of anomalies
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access control
ISO 27001:2022 A.8.22 - Web application security
ISO 27001:2022 A.8.24 - Protection of information systems services
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
🟣 PCI DSS v4.0.1
PCI DSS 6.5.10 - Broken access control
PCI DSS 6.5.1 - Injection flaws
PCI DSS 6.2 - Security patches and updates
📦 Affected Products / CPE 1 entries
google:chrome