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Vulnerability record · CVE-2026-84408 · published 16 September 2026

CVE-2026-84408: QND contains an improper access control vulnerability in a named pipe, which may allow a local attacker who is…

QND contains an improper access control vulnerability in a named pipe, which may allow a local attacker who is logged in to a Windows PC where the affected product's client is installed to execute arbitrary commands with SYSTEM privileges.

8.7 CVSS 4.0 High EPSS 0.63% · top 52.1% CWE-782 · CWE-782 Deferred
8.7CVSS 4.0 base score
0.63%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
16 Sep 2026Last modified by NVD

Description

QND contains an improper access control vulnerability in a named pipe, which may allow a local attacker who is logged in to a Windows PC where the affected product's client is installed to execute arbitrary commands with SYSTEM privileges.

CVSS:4.0/AV:N/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:

References

LinkTags
https://jvn.jp/en/jp/JVN95825631/
https://www.qualitysoft.com/product/qnd_vulnerabilities_2026/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2021-21551Dell dbutil_2_3.sys driver insufficient access control privilege escalationThe Dell dbutil_2_3.sys driver contains insufficient access control that lets a local user reach privileged driver operations. It matters because the…KEVEPSS 79%analysed

Source: NIST National Vulnerability Database (record CVE-2026-84408), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.