{"id":"CVE-2019-0717","state":"PUBLISHED","title":"Windows Hyper-V Denial of Service Vulnerability","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. An attacker who successfully exploited the vulnerability could cause the host server to crash.\nTo exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash.\nThe update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch.","publishedAt":"2019-08-14T20:55:01.000Z","updatedAt":"2024-08-04T17:51:27.327Z","severity":{"score":5.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C","source":"microsoft"},"assigner":"microsoft","products":["Microsoft Windows 10 Version 1809","Microsoft Windows Server 2019","Microsoft Windows Server 2019 (Server Core installation)","Microsoft Windows 10 Version 1903 for x64-based Systems","Microsoft Windows Server, version 1903 (Server Core installation)"],"affected":[{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 1903 for x64-based Systems","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*"],"platforms":["Unknown"]},{"vendor":"Microsoft","product":"Windows Server, version 1903 (Server Core installation)","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]}],"references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0717"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:08.139Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/0xxx/CVE-2019-0717.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-0717","state":"PUBLISHED","datePublished":"2019-08-14T20:55:01.000Z","dateUpdated":"2024-08-04T17:51:27.327Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2018-11-26T00:00:00.000Z"},"containers":{"cna":{"title":"Windows Hyper-V Denial of Service Vulnerability","descriptions":[{"lang":"en-US","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. An attacker who successfully exploited the vulnerability could cause the host server to crash.\nTo exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash.\nThe update addresses the vulnerability by modifying how virtual machines access the Hyper-V Network Switch."}],"affected":[{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 1903 for x64-based Systems","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*"],"platforms":["Unknown"]},{"vendor":"Microsoft","product":"Windows Server, version 1903 (Server Core installation)","versions":[{"version":"10.0.0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0717","tags":["x_refsource_MISC"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"MEDIUM","baseScore":5.8,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C"}}],"problemTypes":[{"descriptions":[{"description":"Denial of Service","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2024-05-29T16:50:41.351Z"},"datePublic":"2019-08-13T07:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0717","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T17:51:27.327Z"}}]}}}