Critical severity9.9NVD Advisory· Published Aug 26, 2026· Updated Aug 27, 2026
CVE-2026-77534
CVE-2026-77534
Description
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.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- 21 Critical Ubiquiti UniFi Flaws Enable Authentication Bypass, Command Injection and Privilege EscalationCyber Security News · Aug 26, 2026