Review reviewHigh

CVE-2026-6423

ESET, spol. s.r.o. ESET Inspect Connector

A local privilege escalation vulnerability in ESET Inspect Connector. The vulnerability was caused by improper authentication in an IPC channel.

CVSS
8.5
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.07.16
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 8.5

Vulnerability overview

A local privilege escalation vulnerability in ESET Inspect Connector. The vulnerability was caused by improper authentication in an IPC channel.

Affected product and versions

Product
ESET, spol. s.r.o. ESET Inspect Connector
Affected versions
<= 3.0.5775.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that ESET, spol. s.r.o. ESET Inspect Connector and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-269