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Apr 16 2026 New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges

Source

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. [...]

Posted by Lawrence Abrams on Thu 16 April 2026 in BleepingComputer.

Tags: Microsoft, Security.

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