Microsoft Confirms RoguePlanet Zero-Day Exploit Targeting Defender

Microsoft has confirmed a newly disclosed zero-day vulnerability, tracked as CVE-2026-50656, affecting Microsoft Defender, following the public release of a proof-of-concept (PoC) exploit dubbed “RoguePlanet” by security researcher NightmareEclipse. The vulnerability, classified as an elevation-of-privilege flaw, was officially published on June 16, 2026, and is already drawing attention due to its reliability and ability to […]

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