{"id":"CVE-2024-43521","aliases":["EUVD-2024-40775","GHSA-p54w-fqq6-5g63"],"status":"published","title":"Windows Hyper-V Denial of Service Vulnerability","description":"Windows Hyper-V Denial of Service Vulnerability","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.02448,"percentile":0.84499,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-253"],"published":"2024-10-08T17:35:52Z","modified":"2026-08-19T16:26:51Z","products":[{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43521","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43521"},{"url":"https://github.com/advisories/GHSA-p54w-fqq6-5g63"}],"sources":{"cve":[{"id":"CVE-2024-43521","title":"Windows Hyper-V Denial of Service Vulnerability","description":"Windows Hyper-V Denial of Service Vulnerability","status":"published","published":"2024-10-08T17:35:52.735Z","modified":"2026-08-19T16:26:51.44Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-253"],"updated_at":"2026-11-02T14:33:58.839967Z"}],"euvd":[{"id":"EUVD-2024-40775","description":"Windows Hyper-V Denial of Service Vulnerability","status":"published","published":"2024-10-08T17:35:52Z","modified":"2026-08-19T16:26:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:01:43.792814Z"}],"ghsa":[{"id":"GHSA-p54w-fqq6-5g63","title":"Windows Hyper-V Denial of Service Vulnerability","description":"Windows Hyper-V Denial of Service Vulnerability","status":"published","published":"2024-10-08T18:33:15Z","modified":"2024-10-08T18:33:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-253"],"updated_at":"2026-11-02T14:58:26.788659Z"}],"nvd":[{"id":"CVE-2024-43521","description":"Windows Hyper-V Denial of Service Vulnerability","status":"published","published":"2024-10-08T18:15:15.393Z","modified":"2026-06-17T07:51:12.68Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-253"],"updated_at":"2026-11-02T14:10:31.271525Z"}]}}