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PatchSiren cyber security CVE debrief

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

A local privilege escalation vulnerability was found in ESET Inspect Connector. The issue is caused by improper authentication in an IPC channel. The CVE record was published on 2026-07-16T09:16:19.273Z and has not been modified since then. This vulnerability affects ESET Inspect Connector, allowing attackers to escalate privileges. System administrators and security teams should be aware of the vulnerability and take necessary actions to mitigate the risk.

Vendor
ESET, spol. s.r.o.
Product
ESET Inspect Connector
CVSS
HIGH 8.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-16
Original CVE updated
2026-07-16
Advisory published
2026-07-16
Advisory updated
2026-07-16

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-6423 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-6423

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-6423 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-6423

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://support.eset.com/en/ca8970-eset-customer-advisory-local-privilege-escalation-via-unauthenticated-alpc-in-eset-inspect-connector-for-windows-fixed

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.