News

New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges

  • Lawrence Abrams--BleepingComputer
  • published date: 2026-04-16 20:19:31 UTC

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works with cybersecurity researchers. [...]

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works wit… [+3664 chars]