{"id":"CVE-2026-77553","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-77553","generatedAt":"2026-10-28T10:36:36.456Z","title":"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.","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.","published":"2026-08-26T11:16:39.000Z","lastModified":"2026-08-28T18:49:15.000Z","status":"Deferred","sourceIdentifier":"fe490ce8-0395-4072-90d8-2707e1bdf984","cvss":{"version":"3.1","score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-284"],"affected":[],"epss":{"score":0.00468,"percentile":0.40361,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9","source":"fe490ce8-0395-4072-90d8-2707e1bdf984"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-77553","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}