{"id":"CVE-2018-8582","aliases":["EUVD-2018-20199","GHSA-3p5h-mwh8-3wx4"],"status":"published","title":"A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially...","description":"A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.18594,"percentile":0.97275,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-11-14T01:00:00Z","modified":"2026-06-17T02:05:08Z","products":[{"vendor":"microsoft","product":"microsoft office"},{"vendor":"microsoft","product":"microsoft outlook"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_365_proplus"},{"vendor":"microsoft","product":"outlook"},{"vendor":"microsoft","product":"outlook_rt"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft corporation","product":"microsoft outlook"}],"references":[{"url":"http://www.securitytracker.com/id/1042110","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/105825","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8582","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8582"},{"url":"https://github.com/advisories/GHSA-3p5h-mwh8-3wx4"}],"sources":{"cve":[{"id":"CVE-2018-8582","description":"A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T07:02:25.885Z","updated_at":"2026-11-02T14:35:04.540365Z"}],"euvd":[{"id":"EUVD-2018-20199","description":"A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T07:02:25Z","updated_at":"2026-11-03T02:40:02.008103Z"}],"ghsa":[{"id":"GHSA-3p5h-mwh8-3wx4","title":"A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially...","description":"A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.","status":"published","published":"2022-05-13T01:21:01Z","modified":"2023-02-01T05:06:35Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:50:22.895109Z"}],"nvd":[{"id":"CVE-2018-8582","description":"A remote code execution vulnerability exists in the way that Microsoft Outlook parses specially modified rule export files, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8522, CVE-2018-8524, CVE-2018-8576.","status":"published","published":"2018-11-14T01:29:01.957Z","modified":"2026-06-17T02:05:08.84Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:04:47.196456Z"}]}}