News Summary

• The security defects have been codenamed YellowKey and GreenPlasma.
• The researcher described YellowKey as "one of the most insane discoveries I ever found" Chaotic Eclipse also promised a "big surprise" for Microsoft, coinciding with the next Patch Tuesday release in June 2026.
• The development comes nearly a month after the researcher published three Defender zero-days dubbed BlueHammer, RedSun, and UnDefend after allegedly expressing dissatisfaction with Microsoft's handling of the vulnerability disclosure process.