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CVE-20XX-?

CVE-2026-50656

7.8 HIGH 11% exploit odds Fix listed Other

What it is

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

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 11.2% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-06-16 19:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-25 23:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-06-16 19:16 UTC
Last modified: 2026-10-25 23:10 UTC
Exploit probability: 11.2% · EPSS, next 30 days
Weakness: CWE-59
Record status: Modified

Affected

Microsoft Malware Protection Engine

Attack profile CVSS 3.1 · 7.8

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Meme: I wake up, CVE-2026-50656

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Fix and advisories

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

References

NVD record · CVE.org record