Urgent Security Alert: RoguePlanet Windows Defender Zero Day Privilege Escalation

[Eyal Estrin]

RoguePlanet Windows Zero Day That Weaponizes Defender's Own Quarantine Pipeline
https://www.cyderes.com/howler-cell/rogueplanet-windows-zero-day

RoguePlanet Anatomy of the Nightmare Eclipse Microsoft Defender Zero Day
https://www.picussecurity.com/resource/blog/rogueplanet-anatomy-of-the-nightmare-eclipse-microsoft-defender-zero-day

Microsoft Defender zero day RoguePlanet grants SYSTEM privileges
https://www.threatlocker.com/blog/microsoft-defender-zero-day-rogueplanet-grants-system-privileges

Microsoft Defender 'RoguePlanet' zero day grants SYSTEM privileges
https://www.bleepingcomputer.com/news/microsoft/microsoft-defender-rogueplanet-zero-day-grants-system-privileges/

Locked in heated rivalry with researcher, Microsoft fixes 0 day they disclosed
https://arstechnica.com/security/2026/06/locked-in-heated-rivalry-with-researcher-microsoft-fixes-0-day-they-disclosed/

RoguePlanet Zero Day Defender SYSTEM Shell on Patched Win10 11 After Patch Tuesday
https://windowsforum.com/threads/rogueplanet-zero-day-defender-system-shell-on-patched-win10-11-after-patch-tuesday.425152/

Eyal Estrin
Author | Cloud Architect | AWS • Azure • GCP Insights
Social: @eyalestrin
Connect: https://linktr.ee/eyalestrin Blog: https://security-24-7.com