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CVE-2026-55116

Published: Jul 2, 2026Updated: Jul 9, 2026 Sources: CVE List NVDCWE-284
9.0CRITICAL
NVD MITRE
EPSS Score
0.2%
Top 86.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A malicious actor with access to the network and under certain network configurations could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to make unauthorized changes to such UniFi OS devices.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-284NVD-CWE-Other

Affected Products

Ubiquiti Inc
commercial·US
Dream MachinesOn-prem
Networking Infrastructure / network-management
Enterprise Fortress GatewayOn-prem
Networking Infrastructure / network-management
Dream WallOn-prem
Networking Infrastructure / network-management
Dream RoutersOn-prem
Networking Infrastructure / network-management
Express 7
Networking Infrastructure
Cloud GatewaysOn-prem
Networking Infrastructure / network-management
Enterprise Firewall CoreOn-prem
Networking Infrastructure / network-management
ui
commercial
unifi connectEmbedded
Networking Infrastructure / router-switch

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-55116?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc
community.ui.com
News mentions
3

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