{"api_version":"1","generated_at":"2026-05-06T15:28:03+00:00","cve":"CVE-2018-8218","urls":{"html":"https://cve.report/CVE-2018-8218","api":"https://cve.report/api/cve/CVE-2018-8218.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-8218","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-8218"},"summary":{"title":"CVE-2018-8218","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.","state":"PUBLIC","assigner":"secure@microsoft.com","published_at":"2018-06-14 12:29:00","updated_at":"2018-10-30 16:27:00"},"problem_types":["CWE-20"],"metrics":[],"references":[{"url":"http://www.securityfocus.com/bid/104402","name":"104402","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Microsoft Windows Hyper-V CVE-2018-8218 Remote Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218","name":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1041110","name":"1041110","refsource":"SECTRACK","tags":["Third Party Advisory","VDB Entry"],"title":"Microsoft Hyper-V Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-8218","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8218","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"8218","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10","cpe6":"1709","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"8218","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_10","cpe6":"1709","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"8218","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2016","cpe6":"1709","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2018","cve_id":"8218","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_server_2016","cpe6":"1709","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2018-8218","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Windows 10","version":{"version_data":[{"version_value":"Version 1709 for x64-based Systems"}]}},{"product_name":"Windows 10 Servers","version":{"version_data":[{"version_value":"version 1709  (Server Core Installation)"}]}}]},"vendor_name":"Microsoft"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Denial of Service"}]}]},"references":{"reference_data":[{"name":"1041110","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1041110"},{"name":"104402","refsource":"BID","url":"http://www.securityfocus.com/bid/104402"},{"name":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218","refsource":"CONFIRM","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8218"}]}},"nvd":{"publishedDate":"2018-06-14 12:29:00","lastModifiedDate":"2018-10-30 16:27:00","problem_types":["CWE-20"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.7,"baseSeverity":"HIGH"},"exploitabilityScore":3.1,"impactScore":4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:C","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":6.9,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"8218","Ordinal":"124573","Title":"CVE-2018-8218","CVE":"CVE-2018-8218","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"8218","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"8218","Ordinal":"2","NoteData":"2018-06-14","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"8218","Ordinal":"3","NoteData":"2018-06-15","Type":"Other","Title":"Modified"}]}}}