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CVE-2026-6423— Local privilege escalation via unauthenticated ALPC in ESET Inspect Connector

Quick assessment

Affected
ESET, spol. s.r.o. ESET Inspect Connector
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ESET Inspect Connector是斯洛伐克ESET公司的一个轻量级终端代理组件。 ESET Inspect Connector 3.0.5775.0及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于IPC通道中的身份验证不当，可能导致本地权限提升。

AI Predicted 7.8 Difficulty: Easy EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
ESET, spol. s.r.o. ESET Inspect Connector ≤ 3.0.5775.0 affected
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I. Basic Information for CVE-2026-6423

Vulnerability Information
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Vulnerability Title
Local privilege escalation via unauthenticated ALPC in ESET Inspect Connector
Source: CVE Program / CVE List V5
Vulnerability Description
A local privilege escalation vulnerability in ESET Inspect Connector.  The vulnerability was caused by improper authentication in an IPC channel.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ESET Inspect Connector 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ESET Inspect Connector是斯洛伐克ESET公司的一个轻量级终端代理组件。 ESET Inspect Connector 3.0.5775.0及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于IPC通道中的身份验证不当，可能导致本地权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ESET, spol. s.r.o. ESET Inspect Connector 0 ~ 3.0.5775.0 -

II. Public POCs for CVE-2026-6423

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-6423

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Vendor Advisories for CVE-2026-6423 (1)

IV. Related Vulnerabilities

Same product: ESET Inspect Connector
Same vendor: ESET, spol. s.r.o.
Same weakness: CWE-269

V. Comments for CVE-2026-6423

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