Utopia Tech
SecurityAI-assisted1 min read

Microsoft Defender RoguePlanet Zero-Day Grants SYSTEM Access on Updated Windows

Security researcher Chaotic Eclipse has disclosed a zero-day vulnerability in Microsoft Defender called RoguePlanet that exploits a race condition to grant SYSTEM-level access on fully updated Windows systems. The proof-of-concept exploit has been published on GitHub, with the researcher claiming a 100% success rate under certain conditions. This represents a critical privilege escalation vulnerab

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Utopia Tech

June 10, 2026 · 1 min read

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The anonymous security researcher going by the name Chaotic Eclipse (aka Nightmare-Eclipse) has released a proof-of-concept (PoC) exploit for yet another Microsoft Defender zero-day named RoguePlanet. "The exploit is a race condition, so it's a hit or miss," the researcher, who published the exploit under a new GitHub account, "MSNightmare" said. "I have managed to get a 100% success rate on

Originally published at thehackernews.com

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