9.0
CRITICAL CVSS 3.1
CVE-2026-77551
UniFi Connect Display Cast Pro Improper Access Control Privilege Escalation
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.

INFO

Published Date :

Aug. 26, 2026, 10:37 a.m.

Last Modified :

Aug. 26, 2026, 10:37 a.m.

Remotely Exploit :

Yes !

Source :

Ubiquiti
Affected Products

The following products are affected by CVE-2026-77551 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL fe490ce8-0395-4072-90d8-2707e1bdf984
CVSS 3.1 CRITICAL MITRE-CVE
Solution
Address improper access control to prevent privilege escalation.
  • Apply vendor patches to fix access control flaws.
  • Review and restrict device access controls.
  • Monitor network for suspicious activity.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-77551 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.