Utopia Tech
SecurityAI-assisted1 min read

Nightmare-Eclipse Drops Yet Another Microsoft Exploit, RoguePlanet

A researcher known as Nightmare-Eclipse has released another proof-of-concept exploit, this time targeting a Windows Defender vulnerability dubbed RoguePlanet that enables system takeover. This release continues an ongoing dispute between the researcher and Microsoft, with no indication of resolution.

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Utopia Tech

June 10, 2026 · 1 min read

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The disgruntled researcher released yet another PoC for a Windows Defender bug that allows for system takeover, showing no signs of abandoning their ongoing feud with Microsoft.

Originally published at darkreading.com

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