CVE-2026-6423 ESET, spol. s.r.o. CVE debrief

Who should care

System administrators and security teams using ESET Inspect Connector should be aware of this vulnerability and take necessary actions to mitigate the risk. They should review and update ESET Inspect Connector configurations to ensure secure authentication and monitor system logs for potential exploitation attempts.

Technical summary

The vulnerability, CVE-2026-6423, is a local privilege escalation issue in ESET Inspect Connector. It is caused by improper authentication in an IPC channel, allowing attackers to escalate privileges. The CVSS score is 8.5, indicating a high severity. This vulnerability affects ESET Inspect Connector, and its exploitation could lead to local privilege escalation.

Defensive priority

High

Recommended defensive actions

• Apply the patch provided by ESET to fix the vulnerability
• Review and update ESET Inspect Connector configurations to ensure secure authentication
• Monitor system logs for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-16T09:16:19.273Z and has not been modified since then. The NVD entry is currently Received. Limited information is available about the vulnerability, and further investigation is recommended. The vulnerability affects ESET Inspect Connector, and its exploitation could lead to local privilege escalation. However, specific details about the vulnerability's impact and exploitation are limited, and additional verification is necessary. Defenders should verify the affected scope and review context.

Official resources