Nightmare-Eclipse: Rogue researcher releases six Windows zero-day exploits since April 2026
Nightmare-Eclipse is a rogue security researcher who has released six Microsoft Windows zero-day exploits — including BlueHammer, RedSun, UnDefend, YellowKey, GreenPlasma and MiniPlasma — since April…
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Microsoft zero-day feud escalates as researcher threatens major exploit release on July 14
Six 0-days, three under active exploitation, more to come on July 14?
Microsoft zero-day feud escalates as researcher threatens major exploit release on July 14
Six 0-days, three under active exploitation, more to come on July 14?

Microsoft Reins in RoguePlanet Zero-Day Threat
The researcher known as "Nightmare-Eclipse" published a proof-of-concept (PoC) exploit for the Windows Defender vulnerability in early June
Anonymous researcher releases two new Windows zero-day exploits after Patch Tuesday
Security pros warn YellowKey claim could make stolen laptops a much bigger problem
Anonymous researcher releases two new Windows zero-day exploits after Patch Tuesday
Security pros warn YellowKey claim could make stolen laptops a much bigger problem
Microsoft bans security researcher from GitHub after zero-day exploit posts; researcher threatens retaliation
"I will make sure your bones are shattered [on July 14]"
Microsoft bans security researcher from GitHub after zero-day exploit posts; researcher threatens retaliation
"I will make sure your bones are shattered [on July 14]"
Nightmare Eclipse could be dropping his big promised exploit today
A threat actor known as Nightmare Eclipse has indicated plans to release a significant exploit on July 14th, 2026. A new repository was crea
Nightmare Eclipse Drops ‘LegacyHive’ Windows Zero-Day
The researcher stripped the proof-of-concept (PoC) exploit to prevent immediate exploitation of the vulnerability. The post Nightmare Eclips

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