CVE-2026-77536

CRITICAL CVSS 9.9 View on NVD ↗

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.

CVSS Vector

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

References

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

Published: Aug 26, 2026 10:16 UTC Modified: Aug 27, 2026 04:16 UTC