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OpenAdvisories
High · 7.8 Exploitation more likely Publicly disclosed Public exploit CVE-2026-50656 EUVD-2026-37141GHSA-hgx9-224c-3p2x

Microsoft Defender Elevation of Privilege Vulnerability

Published Jun 16, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Microsoft Malware Protection Engine

Description

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

Affected products

VendorProductAffectedFixed
Microsoft Microsoft Malware Protection Engine 1.1.0.0 – < 1.1.26060.3008 1.1.26060.3008

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 4 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References