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.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

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.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

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'}`

Projects

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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 : Received

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

Modified: 2026-08-26T13:19:21.717

Link: CVE-2026-77553

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-26T12:30:05Z

Weaknesses

CWE-284

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