CVE-2026-77551

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

Published Aug 26, 2026 CVSS 3.1 · 9 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Ubiquiti
Ubiquiti unifi Connect Display Cast Pro
Vendors & Products Ubiquiti
Ubiquiti unifi Connect Display Cast Pro
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Privilege Escalation via Improper Access Control in UniFi Connect Display Cast Pro
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
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Ubiquiti
Published
Updated
Aug 26, 2026, 12:49 PM
Reserved
Aug 20, 2026, 8:32 PM
Status
Deferred
Published
Aug 26, 2026, 11:16 AM
Modified
Aug 28, 2026, 6:49 PM