High severity7.8NVD Advisory· Published Jun 16, 2026· Updated Jun 16, 2026
CVE-2026-50656
CVE-2026-50656
Description
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ". We are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the update is available.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
22- Microsoft smashes Patch Tuesday record for second successive monthThe Record · Jul 15, 2026
- Patch Tuesday - July 2026Rapid7 Blog · Jul 14, 2026
- Week in review: Accenture data breach, great open-source cybersecurity toolsHelp Net Security · Jul 12, 2026
- Microsoft Fix for Defender Zero-Day Draws Fresh CriticismGovInfoSecurity · Jul 10, 2026
- Researcher ‘Chaotic Eclipse’ Claims RoguePlanet Defender Patch May Leak Data and Exhaust Disk SpaceCyber Security News · Jul 10, 2026
- July 2026 Patch Tuesday forecast: Is CVE tracking still practical?Help Net Security · Jul 10, 2026
- Microsoft Reins in RoguePlanet Zero-Day ThreatDark Reading · Jul 9, 2026
- Microsoft closes book on Nightmare Eclipse's RoguePlanet zero-dayThe Register Security · Jul 9, 2026
- Microsoft releases fix for RoguePlanet Defender flaw (CVE-2026-50656)Help Net Security · Jul 9, 2026
- Microsoft fixes RoguePlanet zero-day in DefenderMalwarebytes Labs · Jul 9, 2026
- Microsoft Patches Defender ‘RoguePlanet’ VulnerabilitySecurityWeek · Jul 9, 2026
- Microsoft Patches RoguePlanet Defender Flaw That Can Grant SYSTEM PrivilegesThe Hacker News · Jul 9, 2026
- Microsoft Releases Patches for RoguePlanet Defender Zero-Day VulnerabilityCyber Security News · Jul 9, 2026
- Microsoft patches RoguePlanet Defender zero-day vulnerabilityBleepingComputer · Jul 9, 2026
- 22nd June – Threat Intelligence ReportCheck Point Research · Jul 1, 2026
- Week in review: 74k Fortinet firewall credentials stolen, Splunk Enterprise RCE under active attackHelp Net Security · Jun 21, 2026
- Microsoft working on a fix for RoguePlanet, a flaw that grants full PC controlMalwarebytes Labs · Jun 18, 2026
- Microsoft Confirms Defender RoguePlanet 0-Day Exploit and Working to Release PatchCyber Security News · Jun 18, 2026
- Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in DevelopmentThe Hacker News · Jun 17, 2026
- Microsoft working on patch for RoguePlanet Defender zero-day (CVE-2026-50656)Help Net Security · Jun 17, 2026
- Microsoft Working on Patch for ‘RoguePlanet’ Zero-DaySecurityWeek · Jun 17, 2026
- Microsoft working on Defender patch for RoguePlanet zero-dayBleepingComputer · Jun 17, 2026