CVE-2026-77533
An attacker can exploit multiple vulnerabilities in Ubiquiti UnifiOS to execute arbitrary code, escalate privileges, and bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities in UnifiOS allow remote code execution, privilege escalation, and security bypass.
- Who is affected
- All Ubiquiti UnifiOS deployments are affected.
- Urgency
- High priority; multiple critical attack vectors present including RCE and privilege escalation warrant immediate remediation.
- Action
- Check Ubiquiti security advisories for affected version ranges and apply available patches immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk1.0% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 61% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownNCSC-2026-0330 [1.00] [M/H] Kwetsbaarheden verholpen in UniFi-producten van Ubiquitincsc-nl · 2026-08-27
- high[NEW] [high] Ubiquiti UnifiOS: Multiple vulnerabilitiescert-bund · 2026-08-27
- criticalCVE-2026-77533: A malicious actor with access to the network and low privileges could exploit an Improper Inpu…nvd · 2026-08-26
External references
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