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VulnerabilitiesJun 10, 2026

Nightmare-Eclipse Drops Yet Another Microsoft Exploit, RoguePlanet

Researcher releases PoC for Windows Defender bug enabling system takeover.

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Summary

A disgruntled researcher, known as Nightmare-Eclipse, has released another proof-of-concept exploit targeting a vulnerability in Microsoft Windows Defender. This latest exploit allows for complete system takeover, indicating the researcher's continued campaign against Microsoft. The researcher has shown no signs of ceasing their activities, suggesting further disclosures or exploits may follow.

Indicators of Compromise

  • cve — CVE-2024-30057

Entities

Nightmare-Eclipse (threat_actor)Microsoft (vendor)Windows Defender (product)