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Microsoft Security Response CenterCVE-2026-50656

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 ".

Read the vendor bulletin Get alerts for Microsoft Malware Protection Engine
7.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Malware Protection Engine

Versions the vendor lists as fixed

  • 1.1.26060.3008
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-50656View CVSS, KEV, EPSS, and threat context
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