CVE-2026-77553 Privilege escalation in UniFi Access Application
Low-privileged network attackers can escalate privileges on the host device via improper access control in UniFi Access Application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77553?
CVE-2026-77553 is a critical vulnerability in Ubiquiti Inc UniFi Access Application, published on 26 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-284
Which versions are affected by CVE-2026-77553?
How do I fix CVE-2026-77553?
No fix has been published for CVE-2026-77553 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77553 being exploited?
There is no known exploitation of CVE-2026-77553 in the wild and no public exploit code.
Sources
Also known as GHSA-j8qp-54h8-7fm6.