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Microsoft RoguePlanet Windows zero-day privilege escalation

2 items1 sourcesupdated 7d agotrend 0

Microsoft Defender contains a zero-day vulnerability called RoguePlanet that allows attackers to escalate privileges to SYSTEM level on Windows systems. The flaw was disclosed in early June 2026.

  • Vulnerability tracked as RoguePlanet affects Microsoft Defender
  • Enables privilege escalation to SYSTEM-level access
  • Disclosed June 9-10, 2026
  • Affects Windows operating systems