The prolific and controversial security researcher known as Nightmare-Eclipse, also tracked as Chaotic Eclipse, has released ShieldBreak, a new Windows zero-day exploit that reportedly bypasses Microsoft’s patch for the RoguePlanet privilege-escalation flaw. The release marks the ninth exploit in the researcher’s 2026 series, and places renewed scrutiny on the resilience of Windows Defender’s core protection […]
The post ShieldBreak Windows Defender Zero-Day Bypasses Microsoft Patch to Gain SYSTEM Access appeared first on Cyber Security News.