{"id":"CVE-2026-58627","aliases":["EUVD-2026-44308","GHSA-v2gx-jj2v-qjcg"],"status":"published","title":"Windows DHCP Server Denial of Service Vulnerability","description":"Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network.","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":0.01174,"percentile":0.67792,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2026-07-14T17:10:12Z","modified":"2026-11-01T17:37:40Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"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_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58627","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58627"},{"url":"https://github.com/advisories/GHSA-v2gx-jj2v-qjcg"}],"sources":{"cve":[{"id":"CVE-2026-58627","title":"Windows DHCP Server Denial of Service Vulnerability","description":"Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-07-14T17:10:12.94Z","modified":"2026-11-01T17:37:40.662Z","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-400"],"updated_at":"2026-11-02T13:47:28.691429Z"}],"euvd":[{"id":"EUVD-2026-44308","description":"Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-07-14T17:10:12Z","modified":"2026-11-01T17:37:40Z","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":"2026-11-02T16:58:46.574424Z"}],"ghsa":[{"id":"GHSA-v2gx-jj2v-qjcg","title":"Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny...","description":"Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-07-14T18:32:42Z","modified":"2026-07-14T18:32:43Z","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-400"],"updated_at":"2026-11-02T15:09:31.319926Z"}],"nvd":[{"id":"CVE-2026-58627","description":"Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-07-14T18:18:44.79Z","modified":"2026-07-17T02:30:37.987Z","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":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:12:29.879716Z"}]}}