CVE-2026-75136

Medium

Description

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.

SeverityMedium

CVSS6.1

Exploit probability—

ProductUpSignOn

PublishedSep 2, 2026

First seenSep 2, 2026

Weakness typeCWE-522CWE-522

How to fix

Update

Septeo IT Solutions UpSignOn7.19.0 or later

Vendor advisories

upsignon.eu/en/resources/release-notes/app#7.19.0

Affected products

Product	Affected versions	Fixed in
Septeo IT Solutions UpSignOn	v < 7.19.0	7.19.0

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