What is CVE-2026-6511?

CVE-2026-6511 is a medium-severity vulnerability in Lenovo Smart Connect, classified under Missing Authentication for Critical Function. CVSS score: 5.5/10. Published 2026-07-16.

How severe is CVE-2026-6511?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Auth bypass in Lenovo Smart Connect

CVE-2026-6511

During an internal security assessment, a potential improper access control vulnerability was discovered in Lenovo Smart Connect for Windows that could allow a local authenticated user to access files owned by a different user on the same system.

Vulnerability class: Broken Authentication

Published 2026-07-16 · last modified 2026-07-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.7th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.7% 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

Lenovo Smart Connect — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

support.lenovo.com/us/en/product_security/LEN-218281 (vendor-advisory)
www.lenovo.com/us/en/software/smart-connect (product)

Frequently asked questions

What is CVE-2026-6511?: CVE-2026-6511 is a medium-severity vulnerability in Lenovo Smart Connect, classified under Missing Authentication for Critical Function. CVSS score: 5.5/10. Published 2026-07-16.
How severe is CVE-2026-6511?: Medium severity. CVSS v3 base score is 5.5 out of 10.