{"id":"CVE-2026-77827","aliases":["EUVD-2026-74191","GHSA-gx86-6f2h-rhf6"],"status":"published","title":"Maono Link local privilege escalation","description":"Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\\ProgramData\\Maono'. Fixed in 4.0.80.","severity":{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00161,"percentile":0.05344,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-428"],"published":"2026-09-08T20:22:29Z","modified":"2026-09-14T17:17:51Z","products":[{"vendor":"maono","product":"maono link"}],"references":[{"url":"https://www.maono.com/products/maono-link-software","tags":["vendor-advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-77827","tags":["vdb-entry"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-251-01.json","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77827"},{"url":"https://github.com/advisories/GHSA-gx86-6f2h-rhf6"}],"sources":{"cve":[{"id":"CVE-2026-77827","title":"Maono Link local privilege escalation","description":"Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\\ProgramData\\Maono'. Fixed in 4.0.80.","status":"published","published":"2026-09-08T20:22:29.28Z","modified":"2026-09-14T16:58:15.053Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-74191","description":"Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\\ProgramData\\Maono'. Fixed in 4.0.80.","status":"published","published":"2026-09-08T20:22:29Z","modified":"2026-09-14T16:58:15Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:28:20.0825Z"}],"ghsa":[{"id":"GHSA-gx86-6f2h-rhf6","title":"Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a...","description":"Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\\ProgramData\\Maono'. Fixed in 4.0.80.","status":"published","published":"2026-09-08T21:34:30Z","modified":"2026-09-08T21:34:38Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T15:11:36.851913Z"}],"nvd":[{"id":"CVE-2026-77827","description":"Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\\ProgramData\\Maono'. Fixed in 4.0.80.","status":"published","published":"2026-09-08T21:18:39.143Z","modified":"2026-09-14T17:17:51.273Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T14:12:45.612639Z"}]}}