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highCVE-2026-491592026-07-23Vector: cloud

CVE-2026-49159: Microsoft Graph Information Disclosure Vulnerability

A security vulnerability in Microsoft Graph may allow unauthorized access to sensitive information. Organizations using Microsoft services should review updates and security configurations to protect their data.

Decision Context

English Brief

A security vulnerability in Microsoft Graph may allow unauthorized access to sensitive information. Organizations using Microsoft services should review updates and security configurations to protect their data.

الموجز العربي

CVE-2026-49159: ثغرة الكشف عن المعلومات في Microsoft Graph

تم اكتشاف ثغرة أمنية في Microsoft Graph قد تسمح بالوصول غير المصرح به إلى معلومات حساسة. ينبغي على المؤسسات التي تستخدم خدمات مايكروسوفت مراجعة التحديثات وإعدادات الأمان لحماية بياناتها.

Affected Products
    Priority sectors
    TechnologyGovernmentEnterprise
    Immediate Actions
    1. 1Audit current Microsoft Graph API permissions. # 2. Implement the principle of least privilege by restricting application scopes. # 3. Monitor access logs for anomalous data retrieval patterns. # 4. Apply all patches released by Microsoft for the Graph service.
    CVE-2026-49159: Microsoft Graph Information Disclosure Vulnerability | Cyberttak