What is CVE-2026-1652?

CVE-2026-1652 is a medium-severity vulnerability in Lenovo Smart Connect, classified under Heap-based Buffer Overflow. CVSS score: 6.1/10. Published 2026-03-11.

How severe is CVE-2026-1652?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Buffer overflow in Lenovo Smart Connect

CVE-2026-1652

A potential buffer overflow vulnerability was reported in the Lenovo Virtual Bus driver used in Smart Connect that could allow a local authenticated user to corrupt memory and cause a Windows blue screen error.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.6th percentile), scored 2026-09-27.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.6% 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-122 — Heap-based Buffer Overflow

References

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

Frequently asked questions

What is CVE-2026-1652?: CVE-2026-1652 is a medium-severity vulnerability in Lenovo Smart Connect, classified under Heap-based Buffer Overflow. CVSS score: 6.1/10. Published 2026-03-11.
How severe is CVE-2026-1652?: Medium severity. CVSS v3 base score is 6.1 out of 10.