Critical severity9.9NVD Advisory· Published Aug 26, 2026· Updated Aug 28, 2026
CVE-2026-77553
CVE-2026-77553
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.
Affected products
2Patches
Vulnerability mechanics
References
1News mentions
2- 21 Critical Ubiquiti UniFi Flaws Enable Authentication Bypass, Command Injection and Privilege EscalationCyber Security News · Aug 26, 2026
- Ubiquiti UniFi: 16 Critical Vulnerabilities Disclosed Together Enable RCE and Auth BypassVypr Intelligence · Aug 26, 2026