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Vulnerabilities

Vulnerability · CVE-2025-6026

An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain

Published Oct 15, 2025 · catalog updated Oct 21, 2025 · Lenovo Universal Device Client

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-6026. EPSS is 0.09%. Act only if a listed version of Lenovo Universal Device Client is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.09%
Remediation
Version ranges on file
Affected products
vendor Lenovo Universal Device Client 0 <25.7.0.21

An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Lenovo Universal Device Client 0 <25.7.0.210 <25.7.0.21

How to fix CVE-2025-6026

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-6026. EPSS is 0.09%. Act only if a listed version of Lenovo Universal Device Client is installed.

Which versions are affected?

Compare what you have installed with Lenovo Universal Device Client 0 <25.7.0.21 0 <25.7.0.21. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.09%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 15, 2025 · EUVD

    Detected

    An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data.

  2. Oct 21, 2025 · EUVD

    Updated

    An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data.

Sources

  • CVE.orgVulnerability recordCVE-2025-6026

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-6026

    30-day exploitation probability 0.09%

    first.org
  • EUVDVulnerability recordEUVD-2025-34617

    An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • EUVDOct 23, 2026