Security NewsHighIncidentvulnerability
New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges
UnknownApr 16, 2026(24 days ago)
A proof-of-concept exploit has been published for a Microsoft Defender zero-day vulnerability, potentially granting SYSTEM privileges.
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. [...]
Potentially Affected Vendors
Microsoft Azure
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