CVE-2026-77534 in UniFi OS Server

Résumé

par MITRE • 26/08/2026

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.

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• Responsable: Ubiquiti
• Réserver: 20/08/2026
• Divulgation: 26/08/2026
• Modérer: accepté
• Entrée: VDB-395728
• CPE: prêt
• CWE: CWE-284 (confirmé)
• CVSS: 9.9 (CNA)
• EPSS: 0.00000
• KEV: non
• Activités: très faible
• Secteur: Hospital, Police, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-77534
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-77534
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-77534/