CVE-2026-77541 — CRITICAL (9.1)

Vulnerability Description

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

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-284

References

https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4

FAQ

What is CVE-2026-77541?

CVE-2026-77541 is a vulnerability with a CVSS score of 9.1 (CRITICAL). A malicious actor with access to the network and high privileges could exploit an Improper Access Control vulnerability found in UniFi Network Application to escalate privileges within the UniFi Netwo...

How severe is CVE-2026-77541?

CVE-2026-77541 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-77541?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.