[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"focus:microsoft-patches-rogueplanet-defender-zero-day-vulnerability-mrfq2o3v":3},{"item":4},{"id":5,"title":6,"slug":7,"summary":8,"severity":9,"category":10,"cve_ids":11,"affected_products":13,"action_required":16,"article_ids":17,"ioc_summary":19,"source_urls":20,"status":22,"expires_at":23,"created_at":24,"updated_at":24,"articles":25},"fc687766-eb47-4dba-9ad6-09f8de5e85f8","Microsoft patches RoguePlanet Defender zero-day vulnerability","microsoft-patches-rogueplanet-defender-zero-day-vulnerability-mrfq2o3v","Microsoft has released a patch for CVE-2026-50656 (RoguePlanet), a zero-day in Microsoft Defender that allows attackers to escalate privileges to SYSTEM level via a race condition. A public proof-of-concept exploit exists. All systems running unpatched Defender are at immediate risk of privilege escalation and full system compromise.","critical","advisory",[12],"CVE-2026-50656",[14,15],"Microsoft Defender","Microsoft","Prioritize patching Microsoft Defender to the latest version across all endpoints immediately. Monitor for suspicious Defender process behavior, file system access anomalies, and unexpected SYSTEM-level process spawning.",[18],"803c6f17-d357-4a50-8d33-9b92b15ab726",null,[21],"https:\u002F\u002Fwww.bleepingcomputer.com\u002Fnews\u002Fmicrosoft\u002Fmicrosoft-patches-rogueplanet-defender-zero-day-vulnerability\u002F","active","2026-07-13T02:05:15.255+00:00","2026-07-11T02:05:20.46333+00:00",[26],{"id":18,"title":6,"url":21}]