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highCVE-2026-506562026-07-09Vector: endpoints

Microsoft Patches Defender 'RoguePlanet' Privilege Escalation Vulnerability

Microsoft has fixed a security problem in its Defender antivirus software. This problem, called 'RoguePlanet', could have allowed someone with limited access to a computer to gain more control over it. The fix was included in a recent update to Defender's security engine.

Decision Context

English Brief

Microsoft has fixed a security problem in its Defender antivirus software. This problem, called 'RoguePlanet', could have allowed someone with limited access to a computer to gain more control over it. The fix was included in a recent update to Defender's security engine.

الموجز العربي

مايكروسوفت تعالج ثغرة تصعيد الامتيازات 'RoguePlanet' في Defender

قامت مايكروسوفت بإصلاح مشكلة أمنية في برنامجها لمكافحة الفيروسات Defender. هذه المشكلة، التي تحمل اسم 'RoguePlanet'، كانت تسمح لشخص لديه وصول محدود إلى جهاز كمبيوتر بالحصول على سيطرة أكبر عليه. تم تضمين الإصلاح في تحديث حديث لمحرك الأمان الخاص بـ Defender.

Affected Products
    Priority sectors
    All sectors
    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.