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Microsoft fixes RoguePlanet zero-day in Defender

medmalwarebytes_blogPublished 2026-07-09

<p class="wp-block-paragraph">Microsoft issued a security update that fixes the zero-day vulnerability known as RoguePlanet in Microsoft Defender.</p>

<p class="wp-block-paragraph">RoguePlanet is tracked as <a href="https://www.cve.org/CVERecord?id=CVE-2026-50656" rel="noreferrer noopener nofollow" target="_blank">CVE-2026-50656</a>, a Microsoft Defender elevation of privilege (EoP) vulnerabili

Indicators of compromise

Original source: https://www.malwarebytes.com/blog/news/2026/07/microsoft-fixes-rogueplanet-zero-day-in-defender