{"id":"CVE-2017-11826","aliases":["EUVD-2017-3426","GHSA-4qcg-gx82-4h36"],"status":"published","title":"Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web...","description":"Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.82217,"percentile":0.9966,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2017-10-13T13:00:00Z","modified":"2026-06-17T01:02:26Z","kev":{"date_added":"2022-03-03","due_date":"2022-03-24","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-03-03"},{"source":"kev","since":"2022-03-03"}],"exploits":[{"source":"pocgithub","id":"thatskriptkid/CVE-2017-11826","title":"thatskriptkid/CVE-2017-11826","date":"2018-02-09","url":"https://github.com/thatskriptkid/CVE-2017-11826"}],"products":[{"vendor":"microsoft","product":"microsoft office"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_compatibility_pack"},{"vendor":"microsoft","product":"office_online_server"},{"vendor":"microsoft","product":"office_web_apps_server"},{"vendor":"microsoft","product":"office_word_viewer"},{"vendor":"microsoft","product":"sharepoint_enterprise_server"},{"vendor":"microsoft","product":"sharepoint_server"},{"vendor":"microsoft","product":"word"},{"vendor":"microsoft corporation","product":"microsoft office"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/bid/101219","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1039541","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/","tags":["x_refsource_MISC","x_transferred","Broken Link","Technical Description","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11826","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11826"},{"url":"https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability"},{"url":"https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826"},{"url":"https://github.com/advisories/GHSA-4qcg-gx82-4h36"}],"sources":{"cve":[{"id":"CVE-2017-11826","description":"Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.","status":"published","published":"2017-10-13T13:00:00Z","modified":"2025-10-21T23:55:31.281Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:33:19.848632Z"}],"euvd":[{"id":"EUVD-2017-3426","description":"Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.","status":"published","published":"2017-10-13T13:00:00Z","modified":"2025-10-21T23:55:31Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-03-03","updated_at":"2026-11-02T20:31:23.427989Z"}],"ghsa":[{"id":"GHSA-4qcg-gx82-4h36","title":"Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web...","description":"Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.","status":"published","published":"2022-05-17T00:16:24Z","modified":"2025-10-22T00:31:29Z","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"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:04:04.176931Z"}],"kev":[{"id":"CVE-2017-11826","title":"Microsoft Office Remote Code Execution Vulnerability","description":"A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user.","cwes":["CWE-119"],"kev":{"date_added":"2022-03-03","due_date":"2022-03-24","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2017-11826","description":"Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.","status":"published","published":"2017-10-13T13:29:02.067Z","modified":"2026-06-17T01:02:26.243Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:03.426231Z"}]}}