EUVD Vulnerability Catalog

EUVD-2026-66402

Severity: CRITICAL Base Score: 9.9 CVSS Version: 3.1

Vulnerability Description

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.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

▪ Attack Vector (AV): Network
▪ Attack Complexity (AC): Low
▪ Privileges Required (PR): Low
▪ User Interaction (UI): None
▪ Scope (S): Changed
▪ Confidentiality Impact (C): High
▪ Integrity Impact (I): High
▪ Availability Impact (A): High

Affected Vendors & Systems

Vendor Ubiquiti Inc

References & Advisory Links

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

Ubiquiti

EPSS Probability

0

Known Aliases
CVE-2026-77553
Published On

2026-08-26

Last Updated

2026-08-26