{"id":"CVE-2018-8539","aliases":["EUVD-2018-20163","GHSA-x83v-fp5h-5v3g"],"status":"published","title":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly...","description":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka \"Microsoft Word Remote Code Execution Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft Office. This CVE ID is unique from CVE-2018-8573.","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":"2026-11-09","score":0.19059,"percentile":0.97331,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-11-14T01:00:00Z","modified":"2026-06-17T02:05:03Z","products":[{"vendor":"microsoft","product":"microsoft office"},{"vendor":"microsoft","product":"microsoft sharepoint server"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_web_apps"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"http://www.securityfocus.com/bid/105835","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1042112","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-2018-8539","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8539"},{"url":"https://github.com/advisories/GHSA-x83v-fp5h-5v3g"}],"sources":{"cve":[{"id":"CVE-2018-8539","description":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka \"Microsoft Word Remote Code Execution Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft Office. This CVE ID is unique from CVE-2018-8573.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T07:02:25.253Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20163","description":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka \"Microsoft Word Remote Code Execution Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft Office. This CVE ID is unique from CVE-2018-8573.","status":"published","published":"2018-11-14T01:00:00Z","modified":"2024-08-05T07:02:25Z","updated_at":"2026-11-03T02:40:02.600498Z"}],"ghsa":[{"id":"GHSA-x83v-fp5h-5v3g","title":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly...","description":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka \"Microsoft Word Remote Code Execution Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft Office. This CVE ID is unique from CVE-2018-8573.","status":"published","published":"2022-05-13T01:20:58Z","modified":"2023-02-01T05:06:17Z","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":"2026-11-02T14:50:20.282326Z"}],"nvd":[{"id":"CVE-2018-8539","description":"A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory, aka \"Microsoft Word Remote Code Execution Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft Office. This CVE ID is unique from CVE-2018-8573.","status":"published","published":"2018-11-14T01:29:00.77Z","modified":"2026-06-17T02:05:03.443Z","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"}]}}