What is CVE-2026-1653?

CVE-2026-1653 is a medium-severity vulnerability in Lenovo Smart Connect, classified under Divide By Zero. CVSS score: 5.5/10. Published 2026-03-11.

How severe is CVE-2026-1653?

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

Vulnerability in Lenovo Smart Connect

CVE-2026-1653

A potential divide by zero vulnerability was reported in the Lenovo Virtual Bus driver used in Smart Connect that could allow a local authenticated user to cause a Windows blue screen error.

Published 2026-03-11 · last modified 2026-08-20.

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:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.5% 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
Lenovo Smart Connect

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

support.lenovo.com/us/en/product_security/LEN-209683 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-1653?: CVE-2026-1653 is a medium-severity vulnerability in Lenovo Smart Connect, classified under Divide By Zero. CVSS score: 5.5/10. Published 2026-03-11.
How severe is CVE-2026-1653?: Medium severity. CVSS v3 base score is 5.5 out of 10.