Vulnerability details
CVE-2026-77553
Ubiquiti UniFi Access Application
CVSS 3.1
9.9Critical
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.9Critical | 3.1 | CVEProject cvelistV5 (CNA) (Ubiquiti) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Ubiquiti Inc | UniFi Access Application | v < 4.3.5 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-08-26
- Last updated
- 2026-08-26
- State
- Published
- Assigner (CNA)
- Ubiquiti
Exploit prediction (EPSS)
0.46%
Probability of exploitation in 30 days
40.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-284Improper Access Control - Generic