{"id":"CVE-2026-69414","aliases":["EUVD-2026-58811","GHSA-7whx-j8gf-3fxv"],"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;ShieldBreak \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:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01374,"percentile":0.72196,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-269","CWE-284","CWE-59"],"published":"2026-08-14T21:50:58Z","modified":"2026-10-30T17:21:26Z","exploits":[{"source":"pocgithub","id":"1neptune/ShieldBreak","title":"1neptune/ShieldBreak","date":"2026-08-18","url":"https://github.com/1neptune/ShieldBreak"},{"source":"pocgithub","id":"maxprog-svg/CVE-2026-69414","title":"maxprog-svg/CVE-2026-69414","date":"2026-10-10","url":"https://github.com/maxprog-svg/CVE-2026-69414"}],"products":[{"vendor":"microsoft","product":"malware_protection_engine"},{"vendor":"microsoft","product":"microsoft malware protection engine"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://github.com/MSNightmare/ShieldBreak","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69414"},{"url":"https://github.com/advisories/GHSA-7whx-j8gf-3fxv"}],"sources":{"cve":[{"id":"CVE-2026-69414","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;ShieldBreak \u0026quot;.","status":"published","published":"2026-08-14T21:50:58.641Z","modified":"2026-10-30T17:21:26.162Z","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:P/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-59","CWE-269"],"updated_at":"2026-11-02T13:50:16.178634Z"}],"euvd":[{"id":"EUVD-2026-58811","description":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;ShieldBreak \u0026quot;.","status":"published","published":"2026-08-14T21:50:58Z","modified":"2026-10-30T17:21:26Z","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:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T16:59:04.296921Z"}],"ghsa":[{"id":"GHSA-7whx-j8gf-3fxv","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;ShieldBreak \u0026quot;.\nWe 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":"2026-08-15T00:31:23Z","modified":"2026-10-28T21:31:54Z","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","CWE-269","CWE-284"],"updated_at":"2026-11-02T15:14:36.959763Z"}],"nvd":[{"id":"CVE-2026-69414","description":"Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;ShieldBreak \u0026quot;.","status":"published","published":"2026-08-14T22:17:06.81Z","modified":"2026-10-28T20:18:43.69Z","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"}],"cwes":["CWE-59","CWE-269"],"updated_at":"2026-11-02T14:12:37.926464Z"}]}}