{"id":"CVE-2019-0635","aliases":["EUVD-2019-1399","GHSA-j2jm-rqw4-wfh2"],"status":"published","title":"An information disclosure vulnerability exists when Windows Hyper-V on a host operating system...","description":"An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'.","severity":{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:A/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":0.02435,"percentile":0.84379,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-03-05T23:29:01.443Z","modified":"2026-06-17T02:08:35Z","products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows server"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_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-2019-0635","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/106884","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0635"},{"url":"https://github.com/advisories/GHSA-j2jm-rqw4-wfh2"}],"sources":{"cve":[{"id":"CVE-2019-0635","description":"An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2019-03-06T00:00:00Z","modified":"2024-08-04T17:51:26.921Z","updated_at":"2026-11-02T14:32:24.110857Z"}],"euvd":[{"id":"EUVD-2019-1399","description":"An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2019-03-06T00:00:00Z","modified":"2024-08-04T17:51:26Z","updated_at":"2026-11-03T03:07:01.549362Z"}],"ghsa":[{"id":"GHSA-j2jm-rqw4-wfh2","title":"An information disclosure vulnerability exists when Windows Hyper-V on a host operating system...","description":"An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2022-05-13T01:21:25Z","modified":"2023-02-01T05:06:24Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:21.264393Z"}],"nvd":[{"id":"CVE-2019-0635","description":"An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'.","status":"published","published":"2019-03-05T23:29:01.443Z","modified":"2026-06-17T02:08:35.513Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:A/AC:L/Au:S/C:C/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:05:07.268578Z"}]}}