What is CVE-2026-77538?

CVE-2026-77538 is a high-severity vulnerability in Ubiquiti Inc Unifi Connect Application, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-08-26.

How severe is CVE-2026-77538?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Ubiquiti Inc Unifi Connect Application

CVE-2026-77538

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Connect Application to escalate privileges within the UniFi Connect Application.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L.

Affected products

Ubiquiti Inc Unifi Connect Application

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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Frequently asked questions

What is CVE-2026-77538?: CVE-2026-77538 is a high-severity vulnerability in Ubiquiti Inc Unifi Connect Application, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-08-26.
How severe is CVE-2026-77538?: High severity. CVSS v3 base score is 8.2 out of 10.