CVE-2026-81326

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-16 08:16

Updated : 2026-09-16 08:16

NVD link : CVE-2026-81326

Mitre link : CVE-2026-81326

CVE.ORG link : CVE-2026-81326

JSON object : View

Products Affected

No product.

CWE

CWE-321

Use of Hard-coded Cryptographic Key

{"id": "CVE-2026-81326", "cveTags": [], "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "vultures@jpcert.or.jp", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.8, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "vultures@jpcert.or.jp", "affectedData": [{"vendor": "QualitySoft Corporation", "product": "QND Premium", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "Ver.11.1i"}], "defaultStatus": "unaffected"}, {"vendor": "QualitySoft Corporation", "product": "QND Standard", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "Ver.11.1i"}], "defaultStatus": "unaffected"}, {"vendor": "QualitySoft Corporation", "product": "QND Advance", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "Ver.11.0.9i"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-16T08:16:39.917", "references": [{"url": "https://jvn.jp/en/jp/JVN95825631/", "source": "vultures@jpcert.or.jp"}, {"url": "https://www.qualitysoft.com/product/qnd_vulnerabilities_2026/", "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Received", "weaknesses": [{"type": "Primary", "source": "vultures@jpcert.or.jp", "description": [{"lang": "en", "value": "CWE-321"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-09-16T08:16:39.917", "sourceIdentifier": "vultures@jpcert.or.jp"}