Microsoft working on a fix for RoguePlanet, a flaw that grants full PC control

Critical Unpatched Defender Flaw, "RoguePlanet," Grants Full PC Control

Microsoft is actively working on a fix for a newly identified, currently unpatched vulnerability dubbed "RoguePlanet" within Microsoft Defender. This flaw is severe, allowing attackers to achieve the highest level of system access and full PC control on vulnerable Windows machines.

Technical Breakdown:

• Vulnerability Name: RoguePlanet
• Affected Component: Microsoft Defender
• Impact: Privilege Escalation leading to full system control.
• Affected Systems: Windows operating systems.
• Status: Currently unpatched; details on specific CVEs, TTPs, or IOCs are not yet publicly available as of this report.

Defense: Microsoft is developing a patch. Security teams should monitor official Microsoft channels for release advisories and apply updates immediately once available.

Source: https://www.malwarebytes.com/blog/news/2026/06/microsoft-working-on-a-fix-for-rogueplanet-a-flaw-that-grants-full-pc-control