{"id":"CVE-2026-62812","aliases":["EUVD-2026-56391","GHSA-4m32-vgh8-h3gw"],"status":"published","title":"Windows DHCP Server Elevation of Privilege Vulnerability","description":"Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0037,"percentile":0.31247,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2026-08-11T17:04:30Z","modified":"2026-11-10T21:58:13Z","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 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-2026-62812","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62812"},{"url":"https://github.com/advisories/GHSA-4m32-vgh8-h3gw"}],"sources":{"cve":[{"id":"CVE-2026-62812","title":"Windows DHCP Server Elevation of Privilege Vulnerability","description":"Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:04:30.066Z","modified":"2026-11-10T21:58:13.724Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-10T22:48:51.483784Z"}],"euvd":[{"id":"EUVD-2026-56391","description":"Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:04:30Z","modified":"2026-11-10T21:58:13Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:17.839385Z"}],"ghsa":[{"id":"GHSA-4m32-vgh8-h3gw","title":"Improper link resolution before file access ('link following') in Windows DHCP Server allows an...","description":"Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T18:31:26Z","modified":"2026-08-11T18:31:34Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:10:19.387522Z"}],"nvd":[{"id":"CVE-2026-62812","description":"Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:18:35.01Z","modified":"2026-09-02T18:20:53.757Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:12:36.499002Z"}]}}