CVE-2026-75135

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-09-02. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

UpSignOn for Windows before 7.19.0 contains a sensitive data exposure vulnerability that allows local attackers to recover the master password and decrypt vault contents by reading a retained backup key from the process memory of UpSignOn.exe, even after the vault has been re-locked. Attackers can extract the backup key from process memory to decrypt the encrypted master password backup stored in v6-vault1.DATA.txt, then use the recovered master password to decrypt the main vault and export all password manager entries in cleartext.

CVSS v3
6.1
EG Score
6.1(high)
EG Risk
27(Track)
EG Risk 27/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 8, 2026

Advisory Details (2)

Auto-updated Sep 2, 2026
No patch confirmed yet.
generic

UpSignOn < 7.19.0 Sensitive Key Retention in Memory | Advisories | VulnCheck

https://www.vulncheck.com/advisories/upsignon-sensitive-key-retention-in-memory
generic

Release notes

https://upsignon.eu/en/resources/release-notes/app#7.19.0

Vendor Advisories for CVE-2026-75135(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 34× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 18:23 UTCEG score recompute
  3. 2026-09-18 18:23 UTCGHSA enrichment
  4. 2026-09-17 16:11 UTCEG score recompute
  5. 2026-09-17 16:11 UTCGHSA enrichment
  6. 2026-09-16 14:08 UTCEPSS rescore
  7. 2026-09-16 13:59 UTCGHSA enrichment
  8. 2026-09-15 11:00 UTCGHSA enrichment
  9. 2026-09-14 08:17 UTCGHSA enrichment
  10. 2026-09-13 06:05 UTCGHSA enrichment
  11. 2026-09-12 03:54 UTCEG score recompute
  12. 2026-09-12 03:54 UTCGHSA enrichment
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-11 01:42 UTCEG score recompute
  15. 2026-09-11 01:42 UTCGHSA enrichment
  16. 2026-09-10 09:35 UTCEPSS rescore
  17. 2026-09-09 23:30 UTCGHSA enrichment
  18. 2026-09-08 20:50 UTCGHSA enrichment
  19. 2026-09-08 07:54 UTCGHSA enrichment
  20. 2026-09-07 05:43 UTCEG score recompute
  21. 2026-09-07 05:42 UTCGHSA enrichment
  22. 2026-09-06 13:48 UTCEPSS rescore
  23. 2026-09-06 03:31 UTCEG score recompute
  24. 2026-09-06 03:31 UTCGHSA enrichment
  25. 2026-09-05 01:18 UTCEG score recompute
Show 9 more
  1. 2026-09-05 01:17 UTCGHSA enrichment
  2. 2026-09-05 00:47 UTCEG score recompute
  3. 2026-09-05 00:47 UTCGHSA enrichment
  4. 2026-09-04 05:07 UTCEPSS rescore
  5. 2026-09-03 22:34 UTCEG score recompute
  6. 2026-09-03 22:33 UTCGHSA enrichment
  7. 2026-09-02 20:21 UTCEG score recompute
  8. 2026-09-02 19:27 UTCEG score recompute
  9. 2026-09-02 19:25 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-75135?
CVE-2026-75135 is a medium vulnerability published on September 2, 2026. UpSignOn for Windows before 7.19.0 contains a sensitive data exposure vulnerability that allows local attackers to recover the master password and decrypt vault contents by reading a retained backup key from the process memory of UpSignOn.exe, even after the vault has been re-locked. Attackers can…
When was CVE-2026-75135 disclosed?
CVE-2026-75135 was first published in the National Vulnerability Database on September 2, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75135 actively exploited?
CVE-2026-75135 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 99.9% of all scored CVEs.
What is the CVSS score of CVE-2026-75135?
CVE-2026-75135 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-75135?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75135, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-75135

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