Vulnerability · Published Sep 2, 2026 · Assigned by VulnCheck

CVE-2026-75136UpSignOn < 7.19.0 Biometric Key Exposure via Windows PasswordVault

Medium 6.1

In plain English

A medium-severity security flaw in UpSignOn from Septeo IT Solutions. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.2%top 94.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Septeo IT Solutions	UpSignOn	0 – before 7.19.0

Weakness: CWE-522 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

References

Release Notes release-notes
https://www.vulncheck.com/advisories/upsignon-biometric-key-exposure-via-windows-passwordvault third-party-advisory