Jun 2026: Microsoft Defender Elevation of Privilege Vulnerability
CVE-2026-50656 Published on June 16, 2026

Microsoft Defender Elevation of Privilege Vulnerability
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.

Vendor Advisory NVD

Weakness Type

What is an insecure temporary file Vulnerability?

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

CVE-2026-50656 has been classified to as an insecure temporary file vulnerability or weakness.


Products Associated with CVE-2026-50656

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Affected Versions

Microsoft Malware Protection Engine Version - is affected by CVE-2026-50656