{"id":"CVE-2026-85841","aliases":["EUVD-2026-99432","GHSA-pcfq-v2xc-3h6j"],"status":"published","title":"Windows DHCP Server Remote Code Execution Vulnerability","description":"Use after free in Windows DHCP Server allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00631,"percentile":0.50697,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-10-13T18:59:58Z","modified":"2026-11-10T20:37:07Z","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-2026-85841","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85841"},{"url":"https://github.com/advisories/GHSA-pcfq-v2xc-3h6j"}],"sources":{"cve":[{"id":"CVE-2026-85841","title":"Windows DHCP Server Remote Code Execution Vulnerability","description":"Use after free in Windows DHCP Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-13T18:59:58.253Z","modified":"2026-11-10T20:37:07.671Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T22:18:29.471829Z"}],"euvd":[{"id":"EUVD-2026-99432","description":"Use after free in Windows DHCP Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-13T18:59:58Z","modified":"2026-11-10T20:37:07Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T21:23:21.470164Z"}],"ghsa":[{"id":"GHSA-pcfq-v2xc-3h6j","title":"Use after free in Windows DHCP Server allows an authorized attacker to execute code over a network.","description":"Use after free in Windows DHCP Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-13T21:36:02Z","modified":"2026-10-13T21:36:02Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:13:17.952607Z"}],"nvd":[{"id":"CVE-2026-85841","description":"Use after free in Windows DHCP Server allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-13T19:21:10.05Z","modified":"2026-10-29T19:44:05.43Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:58.13117Z"}]}}