עברית

Vulnerability Intelligence

CVE-2026-77534

Critical 9.9

Published
Last modified
NVD status
Deferred

Description

A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.

References1

Metrics

CVSS 3.1
9.9 CRITICAL Score source: CNA CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS — exploit probability
0% percentile: 41 · as of 9 November 2026
CWE
CWE-284

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.