SEPTEMBER 17, 2026
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Case File

CVE-2026-77553

CRITICAL · CVSS 9.9 EPSS 0.23% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-26 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

An improper access control vulnerability in the UniFi Access Application allows malicious actors with network access and low privileges to escalate their privileges on the host device. This critical flaw, rated 9.9 on the CVSS scale, poses a significant risk to system integrity and confidentiality. Organizations utilizing the UniFi Access Application should prioritize immediate remediation to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-77553
Severity
CRITICAL
CVSS
9.9
EPSS
0.23%

Original NVD 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.