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title: "Nightmare-Eclipse — Stuff That Spins"
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# Nightmare-Eclipse

**Type:** person  
## Related Articles

- [Microsoft Reins in RoguePlanet Zero-Day Threat](https://stuffthatspins.com/spin/microsoft-reins-in-rogueplanet-zero-day-threat) — July 9, 2026

## Related Claims

- The researcher known as 'Nightmare-Eclipse' published a proof-of-concept (PoC) exploit for the Windows Defender vulnerability in early June after dropping several other Microsoft zero-days.

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*HTML version: https://stuffthatspins.com/entities/nightmare-eclipse*