CVE-2026-77534

A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.

CVSS v3 9.9 CRITICAL

9.9^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.1 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

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

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-26 10:16

Updated : 2026-08-28 18:49

NVD link : CVE-2026-77534

Mitre link : CVE-2026-77534

CVE.ORG link : CVE-2026-77534

JSON object : View

Products Affected

No product.

CWE

CWE-284

Improper Access Control

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