CVE-2026-77553 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00232.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Ui	Unifi Access Application

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Ui	Unifi Access Application

References

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

History

Tue, 01 Sep 2026 14:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Ui Ui unifi Access Application
Vendors & Products		Ui Ui unifi Access Application

Wed, 26 Aug 2026 13:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 26 Aug 2026 12:45:00 +0000

Type	Values Removed	Values Added
Title		Improper Access Control in UniFi Access Application Enables Privilege Escalation

Wed, 26 Aug 2026 11:00:00 +0000

Type	Values Removed	Values Added
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.
Weaknesses		CWE-284
References		https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9
Metrics		cvssV3_1 `{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: Ubiquiti

Published: 2026-08-26T10:42:54.552Z

Updated: 2026-08-26T12:45:32.606Z

Reserved: 2026-08-20T20:32:43.655Z

Link: CVE-2026-77553

Vulnrichment

Updated: 2026-08-26T12:45:29.308Z

NVD

Status : Deferred

Published: 2026-08-26T11:16:39.283

Modified: 2026-08-28T18:49:15.340

Link: CVE-2026-77553

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-01T14:24:12Z

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