CVE-2026-50656

Published: Jun 16, 2026Modified: Jul 9, 2026

7.0

Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.0 / Impact: 5.9

Source: NVD

Description

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

Affected (1)

Products: Microsoft: Malware Protection Engine

Microsoft

1 product

Malware Protection Engine

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Microsoft Malware Protection Engine	All versions

Related CWEs

CWE-59

Improper Link Resolution Before File Access ('Link Following')

The product 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.

References (2)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50656

Source: secure@microsoft.com

Vendor Advisory

https://github.com/MSNightmare/RoguePlanet

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Product

Timeline

No history available yet.