
Microsoft feud escalates as researcher drops new Windows zero-day
The long-running feud between Microsoft and security researcher Nightmare Eclipse has entered a new chapter.
Eclipse, who has spent the past several months publicly releasing unpatched Windows vulnerabilities while sparring with Microsoft over vulnerability disclosure practices, has published exploit code for a new zero-day flaw dubbed RoguePlanet.
The researcher said their exploit uses a race condition problem affecting Microsoft Defender, giving attackers less than a hundred percent odds at success, which can potentially allow SYSTEM-level privilege on even freshly updated Windows.
As before, the exploit arrives just after Microsoft issued its June 2026 Tuesday patches, where the company i...