CVE-2026-50656
Microsoft Defender Elevation of Privilege Vulnerability
- Published
- Jun 16, 2026
- Updated
- Aug 25, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 95.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "RoguePlanet ".
Sources
5- CVE-2026-50656Informational
CVE-2026-50656
Validation report for the RoguePlanet Microsoft Defender PoC in a controlled Windows 11 lab environment, including build notes, Defender detection results, risk assessment, and mitigation recommendations.
Educational lab and proof-of-concept materials for a specific CVE, providing sandboxed scripts and templates for vulnerability research, authorized testing, and defensive security training.
Responsible use
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