CVE-2026-77553
Critical
Description
A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Access Application to escalate privileges on the host device.
SeverityCritical
CVSS9.9
Exploit probability—
ProductUniFi Access Application
PublishedAug 26, 2026
First seenAug 26, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- Ubiquiti Inc UniFi Access Application4.3.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Ubiquiti Inc UniFi Access Application | v < 4.3.5 | 4.3.5 |
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