CVE-2026-77534

critical · 9.9

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.

9.9

CVSS

0.5%

EPSS (exploit prob.)

40th

EPSS percentile

2026-08-26

Published

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-284

References

https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-77534