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

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...

Researchers warn Microsoft Defender vulnerability is already being exploited

A security researcher known as Chaotic Eclipse recently disclosed a vulnerability dubbed "Red Sun" affecting Microsoft ...

Rejected By Microsoft, 3 Defender Zero-Days Are Now Actively Exploited

The Huntress SOC is observing the use of Nightmare-Eclipse's BlueHammer, RedSun, and UnDefend exploitation techniques. Investigation by: @wbmmfq, @Curity4201, + @_JohnHammond 🧵👇 ...
Windows Latest

Microsoft quietly reveals whether you need a third-party antivirus software in Windows 11

Microsoft explains if Windows 11 needs third-party antivirus in 2026 as Defender matches top tools and AI-driven threats ...