{"id":"CVE-2019-1230","aliases":["EUVD-2019-9797","GHSA-v3p4-hcqh-6pxm"],"status":"published","title":"An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host...","description":"An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05802,"percentile":0.93175,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-10-10T13:28:40Z","modified":"2026-06-17T02:28:11Z","products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows server"},{"vendor":"microsoft","product":"windows_10"},{"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-2019-1230","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1230"},{"url":"https://github.com/advisories/GHSA-v3p4-hcqh-6pxm"}],"sources":{"cve":[{"id":"CVE-2019-1230","description":"An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2019-10-10T13:28:40Z","modified":"2024-08-04T18:13:29.68Z","updated_at":"2026-11-02T14:20:26.034547Z"}],"euvd":[{"id":"EUVD-2019-9797","description":"An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2019-10-10T13:28:40Z","modified":"2024-08-04T18:13:29Z","updated_at":"2026-11-03T03:06:58.838317Z"}],"ghsa":[{"id":"GHSA-v3p4-hcqh-6pxm","title":"An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host...","description":"An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2022-05-24T16:58:25Z","modified":"2023-01-28T05:07:04Z","updated_at":"2026-11-02T14:44:29.724528Z"}],"nvd":[{"id":"CVE-2019-1230","description":"An information disclosure vulnerability exists when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2019-10-10T14:15:15.173Z","modified":"2026-06-17T02:28:11.247Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:31.019577Z"}]}}