{"id":"CVE-2026-50656","aliases":["EUVD-2026-37141","GHSA-hgx9-224c-3p2x"],"status":"published","title":"Microsoft Defender Elevation of Privilege Vulnerability","description":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;RoguePlanet \u0026quot;.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.11163,"percentile":0.95978,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-59"],"published":"2026-06-16T18:01:33Z","modified":"2026-10-25T23:10:00Z","exploits":[{"source":"pocgithub","id":"g0thamRabb1t/CVE-2026-50656-rogueplanet-validation","title":"g0thamRabb1t/CVE-2026-50656-rogueplanet-validation","date":"2026-06-10","url":"https://github.com/g0thamRabb1t/CVE-2026-50656-rogueplanet-validation"},{"source":"pocgithub","id":"ashrafzaryouh/CVE-2026-50656","title":"ashrafzaryouh/CVE-2026-50656","date":"2026-06-18","url":"https://github.com/ashrafzaryouh/CVE-2026-50656"},{"source":"pocgithub","id":"HORKimhab/CVE-2026-50656","title":"HORKimhab/CVE-2026-50656","date":"2026-08-12","url":"https://github.com/HORKimhab/CVE-2026-50656"},{"source":"pocgithub","id":"eh-amish/Windows-Defender-Security-Auditor-CVE-2026-50656-","title":"eh-amish/Windows-Defender-Security-Auditor-CVE-2026-50656-","date":"2026-08-16","url":"https://github.com/eh-amish/Windows-Defender-Security-Auditor-CVE-2026-50656-"}],"products":[{"vendor":"microsoft","product":"malware_protection_engine"},{"vendor":"microsoft","product":"microsoft malware protection engine"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50656","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://github.com/MSNightmare/ShieldBreak","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50656"},{"url":"https://github.com/MSNightmare/RoguePlanet"},{"url":"https://github.com/advisories/GHSA-hgx9-224c-3p2x"}],"sources":{"cve":[{"id":"CVE-2026-50656","title":"Microsoft Defender Elevation of Privilege Vulnerability","description":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;RoguePlanet \u0026quot;.","status":"published","published":"2026-06-16T18:01:33.601Z","modified":"2026-09-24T13:44:14.988Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:20:08.734143Z"}],"euvd":[{"id":"EUVD-2026-37141","description":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;RoguePlanet \u0026quot;.","status":"published","published":"2026-06-16T18:01:33Z","modified":"2026-09-24T13:44:14Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C","level":"high"}],"updated_at":"2026-11-02T17:27:59.112143Z"}],"ghsa":[{"id":"GHSA-hgx9-224c-3p2x","title":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in...","description":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;RoguePlanet \u0026quot;. 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.","status":"published","published":"2026-06-16T21:31:57Z","modified":"2026-08-12T18:31:00Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:10:22.744469Z"}],"nvd":[{"id":"CVE-2026-50656","description":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;RoguePlanet \u0026quot;.","status":"published","published":"2026-06-16T19:16:59.683Z","modified":"2026-10-25T23:10:00.167Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:12:24.19758Z"}]}}