CVE catalog
CVE-2026-50656
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".
- Severity
- High · CVSS 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 11.16% · Oct 25, 2026
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | malware_protection_engine | Not reported | Not reported | unknown |
| Cpe | malware_protection_engine | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://github.com/MSNightmare/ShieldBreak]
- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50656]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-50656]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1976.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)]