{"id":"CVE-2018-8635","aliases":["EUVD-2018-20246","GHSA-grqw-w3g8-7m4m"],"status":"published","title":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly...","description":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka \"Microsoft SharePoint Server Elevation of Privilege Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft SharePoint.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06127,"percentile":0.93489,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-12-12T00:00:00Z","modified":"2026-06-17T02:05:13Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint"},{"vendor":"microsoft","product":"microsoft sharepoint server"},{"vendor":"microsoft","product":"sharepoint_enterprise_server"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"http://www.securityfocus.com/bid/106121","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-2018-8635","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8635"},{"url":"https://github.com/advisories/GHSA-grqw-w3g8-7m4m"}],"sources":{"cve":[{"id":"CVE-2018-8635","description":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka \"Microsoft SharePoint Server Elevation of Privilege Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft SharePoint.","status":"published","published":"2018-12-12T00:00:00Z","modified":"2024-08-05T07:02:25.868Z","updated_at":"2026-11-02T14:35:04.540365Z"}],"euvd":[{"id":"EUVD-2018-20246","description":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka \"Microsoft SharePoint Server Elevation of Privilege Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft SharePoint.","status":"published","published":"2018-12-12T00:00:00Z","modified":"2024-08-05T07:02:25Z","updated_at":"2026-11-03T02:40:02.008103Z"}],"ghsa":[{"id":"GHSA-grqw-w3g8-7m4m","title":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly...","description":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka \"Microsoft SharePoint Server Elevation of Privilege Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft SharePoint.","status":"published","published":"2022-05-13T01:53:46Z","modified":"2023-02-02T05:02:20Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:24.995331Z"}],"nvd":[{"id":"CVE-2018-8635","description":"An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted authentication request to an affected SharePoint server, aka \"Microsoft SharePoint Server Elevation of Privilege Vulnerability.\" This affects Microsoft SharePoint Server, Microsoft SharePoint.","status":"published","published":"2018-12-12T00:29:01.623Z","modified":"2026-06-17T02:05:13.947Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:49.995593Z"}]}}