CVE-2026-75136 UpSignOn < 7.19.0 Biometric Key Exposure via Windows PasswordVault
Local attackers can retrieve biometric keys from Windows PasswordVault to decrypt and export password manager contents in cleartext.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75136?
CVE-2026-75136 is a medium-severity vulnerability in Septeo IT Solutions UpSignOn, published on 2 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-522
Which versions are affected by CVE-2026-75136?
How do I fix CVE-2026-75136?
No fix has been published for CVE-2026-75136 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-75136 being exploited?
There is no known exploitation of CVE-2026-75136 in the wild and no public exploit code.
Sources
Also known as GHSA-9pfj-rxxp-9cf2.