CVE-2026-50656

Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".

Affected products

Defender, Msmpeng, Windows 10, Windows 11

Microsoft Malware Protection Engine

All versions

Fix

Available

CVSS 3.1

7.8 HIGH

EPSS

10.7% (95th percentile)

Weakness

CWE-59

NVD status

Modified

Published

2026-06-16