Home

Description

Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ". We are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the update is available.

PUBLISHED Reserved 2026-06-05 | Published 2026-06-16 | Updated 2026-06-17 | Assigner microsoft




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C

Problem types

CWE-59: Improper Link Resolution Before File Access ('Link Following')

Product status

-
affected

References

github.com/MSNightmare/RoguePlanet exploit

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50656 (Microsoft Defender Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-50656)

nvd.nist.gov (CVE-2026-50656)

Download JSON