CVE-2026-75137
CVE-2026-75137 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-316.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-316
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-75137?
- CVE-2026-75137 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2026-75137 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-75137?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-75137 published?
- CVE-2026-75137 was published on 2026-09-02 and last updated on 2026-09-08.
References
- https://upsignon.eu/en/resources/release-notes/app#7.19.0
- https://www.vulncheck.com/advisories/upsignon-sensitive-data-exposure-in-process-memory-after-lock
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