CVE-2026-77546

9.9 criticalEPSS 1.4%

Critical (9.9). EPSS 1.4% chance of exploitation in the next 30 days.

A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in UniFi Access Application to execute a Command Injection on the host device.

Severity

CVSS 3.1

9.9 critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2026-08-26
Modified: 2026-08-28
Record from: the NVD, synced 2026-10-19

References

https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9

Check your stack JSON