CVE-2026-50656

June 16, 2026, 8:42 p.m.

7.8
High

Description

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.

Product(s) Impacted

Vendor Product Versions
Microsoft
  • Microsoft Malware Protection Engine
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

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.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a microsoft microsoft_malware_protection_engine / / / / / / / /

References

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

Tags

CWE-59
[email protected]
2026-06-16
CVE-2026-50656

CVSS Score

7.8 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: June 16, 2026, 7:16 p.m.
Last Modified: June 16, 2026, 8:42 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.