CVE-2026-77553

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.

Scoring

Severity
CRITICAL
CVSS base score
9.9
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS probability
0.23%
CWE
CWE-284
Published
2026-08-26
Last modified
2026-08-26

Affected products

Weakness type

Markdown version · Browse all CVEs