CVE-2026-77545

Active Debug Code Vulnerability Allows Privilege Escalation in UniFi OS Devices

Published Aug 26, 2026 CVSS 3.1 · 9 Critical EPSS < 1% KEV · Not listed
Description
A malicious actor with access to the network, low privileges and under certain conditions could exploit an Active Debug Code vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Active Debug Code Vulnerability Allows Privilege Escalation in UniFi OS Devices
Type Values Removed Values Added
Description A malicious actor with access to the network, low privileges and under certain conditions could exploit an Active Debug Code vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.
Weaknesses CWE-489
References
Metrics cvssV3_1

{'score': 9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Ubiquiti
Published
Updated
Aug 27, 2026, 3:56 AM
Reserved
Aug 20, 2026, 8:32 PM
Status
Deferred
Published
Aug 26, 2026, 10:16 AM
Modified
Aug 28, 2026, 6:49 PM