CVE-2026-75136

UpSignOn < 7.19.0 Biometric Key Exposure via Windows PasswordVault

Published Sep 2, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Septeo It Solutions
Septeo It Solutions upsignon
Vendors & Products Septeo It Solutions
Septeo It Solutions upsignon
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title UpSignOn < 7.19.0 Biometric Key Exposure via Windows PasswordVault
Weaknesses CWE-522
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 3, 2026, 1:33 PM
Reserved
Aug 17, 2026, 6:39 PM
Status
Deferred
Published
Sep 2, 2026, 8:17 PM
Modified
Sep 8, 2026, 8:18 PM