CVE-2026-77557: Critical severity Ubiquiti UniFi Protect AI Key vulnerability
Published Aug 26, 2026
·Updated
A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect AI Key to escalate privileges on the device.
Affected Software
1 affected component
Ubiquiti UniFi Protect AI Key
Event History
Aug 26, 2026
CVE Published
via MITRE·10:53 AM
Data Sourced
via MITRE·10:53 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Who can exploit this issue?
An attacker with network access to a vulnerable UniFi Protect AI Key can exploit the improper access control flaw. No privileges or user interaction are required according to the supplied severity vector.
2
What is the potential impact of successful exploitation?
Successful exploitation allows privilege escalation on the affected device. The supplied severity vector indicates potential high impact to confidentiality, integrity, and availability.