CVE-2026-77542
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-77542 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
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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Exploit availability
Public exploit or proof-of-concept code for CVE-2026-77542 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
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-2026-77542: A malicious actor with access to the network and high privileges could exploit an Improper Inp…nvd · 2026-08-26
External references
Embed the live status
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[](https://www.csirts.com/cve/CVE-2026-77542)