CVE-2026-77551 - Vulnerability Details - OpenCVE

A malicious actor with access to the network and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Connect Display Cast Pro to escalate privileges on the device.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

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		Privilege Escalation via Improper Access Control in UniFi Connect Display Cast Pro

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

Type	Values Removed	Values Added
Description		A malicious actor with access to the network and under certain conditions could exploit an Improper Access Control vulnerability found in UniFi Connect Display Cast Pro to escalate privileges on the device.
Weaknesses		CWE-284
References		https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9
Metrics		cvssV3_1 `{'score': 9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Ubiquiti

Published: 2026-08-26T10:37:19.573Z

Updated: 2026-08-26T12:49:50.559Z

Reserved: 2026-08-20T20:32:37.794Z

Link: CVE-2026-77551

Vulnrichment

Updated: 2026-08-26T12:49:47.631Z

NVD

Status : Received

Published: 2026-08-26T11:16:39.053

Modified: 2026-08-26T13:19:21.423

Link: CVE-2026-77551

Redhat

No data.

OpenCVE Enrichment

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

Weaknesses

CWE-284

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