{"id":"CVE-2026-69679","aliases":["EUVD-2026-73586","GHSA-g3vc-vvwr-fm53"],"status":"published","title":"Windows DHCP Server Denial of Service Vulnerability","description":"Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00646,"percentile":0.51445,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-843"],"published":"2026-09-08T17:16:21Z","modified":"2026-11-10T21:35:24Z","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-2026-69679","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69679"},{"url":"https://github.com/advisories/GHSA-g3vc-vvwr-fm53"}],"sources":{"cve":[{"id":"CVE-2026-69679","title":"Windows DHCP Server Denial of Service Vulnerability","description":"Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.","status":"published","published":"2026-09-08T17:16:21.817Z","modified":"2026-11-10T21:35:24.701Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-125","CWE-843"],"updated_at":"2026-11-10T22:48:53.006191Z"}],"euvd":[{"id":"EUVD-2026-73586","description":"Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.","status":"published","published":"2026-09-08T17:16:21Z","modified":"2026-11-10T21:35:24Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T22:23:48.145704Z"}],"ghsa":[{"id":"GHSA-g3vc-vvwr-fm53","title":"Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service over an...","description":"Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.","status":"published","published":"2026-09-08T18:32:52Z","modified":"2026-09-08T18:33:01Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:11:31.661331Z"}],"nvd":[{"id":"CVE-2026-69679","description":"Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.","status":"published","published":"2026-09-08T18:19:39.46Z","modified":"2026-09-24T23:18:18.477Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125","CWE-843"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}