{"id":"CVE-2019-1318","aliases":["EUVD-2019-9877","GHSA-2v8j-7w32-jrwf"],"status":"published","title":"A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master...","description":"A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master Secret (EMS) sessions, aka 'Microsoft Windows Transport Layer Security Spoofing Vulnerability'.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03524,"percentile":0.8932,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-290"],"published":"2019-10-10T13:28:41Z","modified":"2026-06-17T02:28:22Z","products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"windows server"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1318","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1318"},{"url":"https://github.com/advisories/GHSA-2v8j-7w32-jrwf"}],"sources":{"cve":[{"id":"CVE-2019-1318","description":"A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master Secret (EMS) sessions, aka 'Microsoft Windows Transport Layer Security Spoofing Vulnerability'.","status":"published","published":"2019-10-10T13:28:41Z","modified":"2024-08-04T18:13:30.251Z","updated_at":"2026-11-02T14:20:26.034547Z"}],"euvd":[{"id":"EUVD-2019-9877","description":"A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master Secret (EMS) sessions, aka 'Microsoft Windows Transport Layer Security Spoofing Vulnerability'.","status":"published","published":"2019-10-10T13:28:41Z","modified":"2024-08-04T18:13:30Z","updated_at":"2026-11-03T03:06:58.233851Z"}],"ghsa":[{"id":"GHSA-2v8j-7w32-jrwf","title":"A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master...","description":"A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master Secret (EMS) sessions, aka 'Microsoft Windows Transport Layer Security Spoofing Vulnerability'.","status":"published","published":"2022-05-24T16:58:26Z","modified":"2023-01-28T05:07:50Z","updated_at":"2026-11-02T14:44:34.529278Z"}],"nvd":[{"id":"CVE-2019-1318","description":"A spoofing vulnerability exists when Transport Layer Security (TLS) accesses non- Extended Master Secret (EMS) sessions, aka 'Microsoft Windows Transport Layer Security Spoofing Vulnerability'.","status":"published","published":"2019-10-10T14:15:15.923Z","modified":"2026-06-17T02:28:22.063Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-290"],"updated_at":"2026-11-02T14:05:31.019577Z"}]}}