{"id":"CVE-2018-8436","aliases":["EUVD-2018-20072","GHSA-r8cq-hqqc-2p5f"],"status":"published","title":"A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server...","description":"A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka \"Windows Hyper-V Denial of Service Vulnerability.\" This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.","severity":{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02052,"percentile":0.81391,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-09-13T00:00:00Z","modified":"2026-06-17T02:04:52Z","products":[{"vendor":"microsoft","product":"windows 10"},{"vendor":"microsoft","product":"windows 10 servers"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"}],"references":[{"url":"http://www.securityfocus.com/bid/105236","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securitytracker.com/id/1041624","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-2018-8436","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8436"},{"url":"https://github.com/advisories/GHSA-r8cq-hqqc-2p5f"}],"sources":{"cve":[{"id":"CVE-2018-8436","description":"A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka \"Windows Hyper-V Denial of Service Vulnerability.\" This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36.322Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20072","description":"A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka \"Windows Hyper-V Denial of Service Vulnerability.\" This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.","status":"published","published":"2018-09-13T00:00:00Z","modified":"2024-08-05T06:54:36Z","updated_at":"2026-11-03T02:40:03.169087Z"}],"ghsa":[{"id":"GHSA-r8cq-hqqc-2p5f","title":"A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server...","description":"A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka \"Windows Hyper-V Denial of Service Vulnerability.\" This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.","status":"published","published":"2022-05-14T02:02:28Z","modified":"2023-02-02T05:04:58Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:59.92181Z"}],"nvd":[{"id":"CVE-2018-8436","description":"A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka \"Windows Hyper-V Denial of Service Vulnerability.\" This affects Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8437, CVE-2018-8438.","status":"published","published":"2018-09-13T00:29:03.85Z","modified":"2026-06-17T02:04:52.143Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:A/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:40.661264Z"}]}}