{"id":"CVE-2026-77553","aliases":["EUVD-2026-66402","GHSA-j8qp-54h8-7fm6"],"status":"published","title":"A malicious actor with access to the network and low privileges could exploit an Improper Access...","description":"A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Access Application to escalate privileges on the host device.","severity":{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00468,"percentile":0.40858,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-08-26T10:42:54Z","modified":"2026-08-28T21:31:06Z","products":[{"vendor":"ubiquiti inc","product":"unifi access application"}],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77553"},{"url":"https://github.com/advisories/GHSA-j8qp-54h8-7fm6"}],"sources":{"cve":[{"id":"CVE-2026-77553","description":"A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Access Application to escalate privileges on the host device.","status":"published","published":"2026-08-26T10:42:54.552Z","modified":"2026-08-26T12:45:32.606Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:20:15.712761Z"}],"euvd":[{"id":"EUVD-2026-66402","description":"A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Access Application to escalate privileges on the host device.","status":"published","published":"2026-08-26T10:42:54Z","modified":"2026-08-26T12:45:32Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:31.267984Z"}],"ghsa":[{"id":"GHSA-j8qp-54h8-7fm6","title":"A malicious actor with access to the network and low privileges could exploit an Improper Access...","description":"A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Access Application to escalate privileges on the host device.","status":"published","published":"2026-08-28T21:30:58Z","modified":"2026-08-28T21:31:06Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:11:08.095363Z"}],"nvd":[{"id":"CVE-2026-77553","description":"A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Access Application to escalate privileges on the host device.","status":"published","published":"2026-08-26T11:16:39.283Z","modified":"2026-08-28T18:49:15.34Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:41.66469Z"}]}}