Out-of-bounds Read in Lenovo 100w Gen 4 Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 22h2 Or Later) - 4, 300w Yoga 500w

CVE-2026-14256

ELAN reported a potential out-of-bounds write vulnerability in the ELAN TrackPoint driver that, under certain circumstances, could allow a local authenticated user to cause a system crash.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-14256: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14256?
CVE-2026-14256 is a medium-severity vulnerability in Lenovo 100w Gen 4 Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 22h2 Or Later) - 4, 300w Yoga 500w, classified under Out-of-bounds Read. CVSS score: 4.7/10. Published 2026-08-13.
How severe is CVE-2026-14256?
Medium severity. CVSS v3 base score is 4.7 out of 10.