Microsoft Confirms RoguePlanet Zero-Day in Defender, Patch Under Development
ID: 9eb6b10a-b731-5011-afc5-973a40d2b931
STIX ID: report--9eb6b10a-b731-5011-afc5-973a40d2b931
Feed Name: Security Affairs
Threat Score
Microsoft has confirmed a privilege-escalation zero-day in Microsoft Defender (RoguePlanet, CVE-2026-50656) after researcher Chaotic Eclipse published a proof-of-concept exploit that can spawn a SYSTEM shell on fully updated Windows 10 and 11 systems; Microsoft is actively investigating and developing a security update to address the issue.
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