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Zero-dayJun 9, 2026

Nightmare Eclipse guy has returned (as is tradition) and has released another Microsoft Windows z...

Threat actor 'Nightmare Eclipse' releases a new Microsoft Windows zero-day vulnerability.

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Summary

The threat actor known as 'Nightmare Eclipse' has resurfaced, traditionally releasing a new zero-day vulnerability. This latest exploit targets Microsoft Windows, though the actor reportedly made a spelling error in the associated file, naming it 'rogeplanet' instead of 'rogueplanet'.

Indicators of Compromise

  • url — https://t.co/YrNJwGupvq

Entities

Nightmare Eclipse (threat_actor)Microsoft Windows (product)