CVE-2026-50656: high-severity vulnerability in Microsoft Malware Protection Engine
Microsoft Defender Elevation of Privilege Vulnerability
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.8epss 0.4%
from disclosure to weapon0 days
Published on NVDJun 16
1st PoCJun 10
exploitation probability
0.4%top 71% of all CVEs
observed exploitation
nono source reports it
6 public exploit(s)
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C
Affected products
Microsoft · Microsoft Malware Protection Enginepublic PoCs found — 6
githubgithub.com/0xBlackash/CVE-2026-50656★ 10githubgithub.com/g0thamRabb1t/CVE-2026-50656-rogueplanet-validation★ 2githubgithub.com/eh-amish/Windows-Defender-Security-Auditor-CVE-2026-50656-★ 0githubgithub.com/HORKimhab/CVE-2026-50656★ 0cve_referencegithub.com/MSNightmare/RoguePlanetunverifiedcve_referencegithub.com/MSNightmare/ShieldBreakunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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