{"id":"CVE-2018-8493","aliases":["EUVD-2018-20123","GHSA-fpxg-2rm2-vpj4"],"status":"published","title":"An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles...","description":"An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles fragmented IP packets, aka \"Windows TCP/IP Information Disclosure Vulnerability.\" This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08897,"percentile":0.95264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-10-10T13:00:00Z","modified":"2026-06-17T02:04:59Z","products":[{"vendor":"microsoft","product":"windows 10"},{"vendor":"microsoft","product":"windows 10 servers"},{"vendor":"microsoft","product":"windows 8.1"},{"vendor":"microsoft","product":"windows rt 8.1"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1703"},{"vendor":"microsoft","product":"windows_10_1709"},{"vendor":"microsoft","product":"windows_10_1803"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_server_1709"},{"vendor":"microsoft","product":"windows_server_1803"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"}],"references":[{"url":"http://www.securitytracker.com/id/1041843","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-2018-8493","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/105456","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8493"},{"url":"https://github.com/advisories/GHSA-fpxg-2rm2-vpj4"}],"sources":{"cve":[{"id":"CVE-2018-8493","description":"An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles fragmented IP packets, aka \"Windows TCP/IP Information Disclosure Vulnerability.\" This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.","status":"published","published":"2018-10-10T13:00:00Z","modified":"2024-08-05T06:54:36.908Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20123","description":"An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles fragmented IP packets, aka \"Windows TCP/IP Information Disclosure Vulnerability.\" This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.","status":"published","published":"2018-10-10T13:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:02.600498Z"}],"ghsa":[{"id":"GHSA-fpxg-2rm2-vpj4","title":"An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles...","description":"An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles fragmented IP packets, aka \"Windows TCP/IP Information Disclosure Vulnerability.\" This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.","status":"published","published":"2022-05-13T01:20:55Z","modified":"2023-02-01T05:06:35Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T14:50:22.895109Z"}],"nvd":[{"id":"CVE-2018-8493","description":"An information disclosure vulnerability exists when the Windows TCP/IP stack improperly handles fragmented IP packets, aka \"Windows TCP/IP Information Disclosure Vulnerability.\" This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.","status":"published","published":"2018-10-10T13:29:04.073Z","modified":"2026-06-17T02:04:59.513Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:44.873741Z"}]}}