8.2

CVE-2026-77538: ubiquiti inc unifi connect application Improper Access Control

CVSS: 8.2v3.1HighDeferred
Published 26-08-2026Last modified 26-08-2026
Open JSON

Vulnerability summary

CVE-2026-77538 is a high (CVSS 8.2) Improper Access Control vulnerability in ubiquiti inc unifi connect application. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.8% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.1 (CVE.org)
EPSS score
0.39%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-08-2026
    PublishedVulnerability first disclosed.
  2. 26-08-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

+0.17 pp

From 0.22% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubiquiti inc1 product

1 vendor · 1 product

References

1 links