What is CVE-2026-75137?

CVE-2026-75137 is a medium-severity vulnerability in Septeo It Solutions Upsignon, classified under CWE-316. CVSS score: 6.1/10. Published 2026-09-02.

How severe is CVE-2026-75137?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Septeo It Solutions Upsignon

CVE-2026-75137

UpSignOn for Windows before 7.19.0 contains a sensitive data exposure vulnerability that allows local attackers to recover cleartext vault data from process memory even after the application has been locked. Attackers can use the PROCESS_VM_READ permission to read the memory space of UpSignOn.exe and extract sensitive fields including entry names, URLs, usernames, passwords, TOTP secrets, and notes.

Published 2026-09-02 · last modified 2026-09-08.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.7th percentile), scored 2026-10-17.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Septeo It Solutions Upsignon

Weakness classification (CWE)

CWE-316

References

upsignon.eu/en/resources/release-notes/app (release-notes)
www.vulncheck.com/advisories/upsignon-sensitive-data-exposure-in-process-memory… (third-party-advisory)

Frequently asked questions

What is CVE-2026-75137?: CVE-2026-75137 is a medium-severity vulnerability in Septeo It Solutions Upsignon, classified under CWE-316. CVSS score: 6.1/10. Published 2026-09-02.
How severe is CVE-2026-75137?: Medium severity. CVSS v3 base score is 6.1 out of 10.