---
id: CVE-2026-81326
title: >-
  QND uses a hard-coded cryptographic key, which may allow a local attacker who
  is logged in to a Windows PC where the affected product's client is installed
  to obtain administrator credentials, including an ID and password.
summary: >-
  QND uses a hard-coded cryptographic key, which may allow a local attacker who
  is logged in to a Windows PC where the affected product's client is installed
  to obtain administrator credentials, including an ID and password.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-321
vendor: QualitySoft Corporation
product: QND Premium
affected:
  - qnd_premium <= Ver.11.1i
  - qnd_standard <= Ver.11.1i
  - qnd_advance <= Ver.11.0.9i
published: '2026-09-16'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:27:25.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81326'
references:
  - url: 'https://jvn.jp/en/jp/JVN95825631/'
    label: vultures@jpcert.or.jp
  - url: 'https://www.qualitysoft.com/product/qnd_vulnerabilities_2026/'
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-16T14:56:57.418397Z'
ingestedAt: '2026-09-16T07:51:48.493Z'
epss: 0.00138
epssPercentile: 0.0257
---

## Overview

QND uses a hard-coded cryptographic key, which may allow a local attacker who is logged in to a Windows PC where the affected product's client is installed to obtain administrator credentials, including an ID and password.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.