{"id":"CVE-2018-8522","aliases":["EUVD-2018-20146","GHSA-2h32-xchg-737h"],"status":"published","title":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to...","description":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8524, CVE-2018-8576, CVE-2018-8582.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/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":0.19059,"percentile":0.97328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-11-14T01:00:00Z","modified":"2026-06-17T02:05:02Z","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 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":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8522","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/105820","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8522"},{"url":"https://github.com/advisories/GHSA-2h32-xchg-737h"}],"sources":{"cve":[{"id":"CVE-2018-8522","description":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8524, CVE-2018-8576, CVE-2018-8582.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T07:02:24.469Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20146","description":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8524, CVE-2018-8576, CVE-2018-8582.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T07:02:24Z","updated_at":"2026-11-03T02:40:02.600498Z"}],"ghsa":[{"id":"GHSA-2h32-xchg-737h","title":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to...","description":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8524, CVE-2018-8576, CVE-2018-8582.","status":"published","published":"2022-05-13T01:20:57Z","modified":"2023-02-01T05:06:15Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:50:19.669171Z"}],"nvd":[{"id":"CVE-2018-8522","description":"A remote code execution vulnerability exists in Microsoft Outlook software when it fails to properly handle objects in memory, aka \"Microsoft Outlook Remote Code Execution Vulnerability.\" This affects Office 365 ProPlus, Microsoft Office, Microsoft Outlook. This CVE ID is unique from CVE-2018-8524, CVE-2018-8576, CVE-2018-8582.","status":"published","published":"2018-11-14T01:29:00.69Z","modified":"2026-06-17T02:05:02.49Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/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"}]}}