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highCVE-2026-504072026-07-22Vector: endpoints

CVE-2026-50407 Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Microsoft has released information regarding a vulnerability in the Windows Resilient File System (ReFS) that could allow a local attacker to gain higher levels of system access.

Decision Context

English Brief

Microsoft has released information regarding a vulnerability in the Windows Resilient File System (ReFS) that could allow a local attacker to gain higher levels of system access.

الموجز العربي

ثغرة تصعيد الامتيازات في نظام ملفات Windows المرن (ReFS) المصنفة تحت CVE-2026-50407

أصدرت مايكروسوفت معلومات حول ثغرة أمنية في نظام ملفات ويندوز المرن (ReFS) قد تسمح للمهاجم الموجود محلياً بالحصول على مستويات أعلى من صلاحيات الوصول إلى النظام.

Affected Products
    Priority sectors
    GovernmentEnterpriseEducationHealthcare
    Immediate Actions
    1. 1Inventory every affected affected systems deployment and identify its owner.
    2. 2Apply the vendor security update or documented mitigation as soon as possible.
    3. 3Restrict external exposure and privileged access until remediation is verified.