CVE-2026-75136

UpSignOn for Windows before 7.19.0 contains an insecure credential storage vulnerability that allows local attackers to retrieve the biometric unlock key stored in the Windows PasswordVault API without triggering any authentication prompt. Attackers can access the stored biometric key from a standard local process within the same Windows session to decrypt the protected vault files and export the entire password manager contents in cleartext.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://upsignon.eu/en/resources/release-notes/app#7.19.0
https://www.vulncheck.com/advisories/upsignon-biometric-key-exposure-via-windows-passwordvault

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-02 20:17

Updated : 2026-09-08 20:18

NVD link : CVE-2026-75136

Mitre link : CVE-2026-75136

CVE.ORG link : CVE-2026-75136

JSON object : View

Products Affected

No product.

CWE

CWE-522

Insufficiently Protected Credentials

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