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
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.
Affected products
- Lenovo 100w Gen 4 Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 22h2 Or Later) - 4, 300w Yoga 500w — versions 0
- Lenovo 100w Gen 5 (Type 83ld, 83le) Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 23h2 Or Later) - 5, 300w 2-in-1 500w — versions 0
- Lenovo 11e Yoga Gen 6 (Type 20se, 20sf) Laptop (Thinkpad) Elan Clickpad Driver For Windows 11 (Version 21h2 Or Later), 10 1809 Later) - Thinkpad 6th — versions 0
- Lenovo 13w 2-in-1 Gen 3 (Type 83m9, 83ma) Elan Touchpad Driver For Windows 11 (Version 23h2 Or Later) - — versions 0
- Lenovo 13w Yoga Gen 2 (Type 82yr, 82ys) Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 22h2 Or Later) - — versions 0
- Lenovo 13w Yoga (Type 82s1, 82s2) Laptop (Lenovo) Elan Hid Class Filter Driver For Windows 11 (Version 21h2), 10 21h2 Or Later) - — versions 0
- Lenovo 13w Yoga (Type 82s1, 82s2) Laptop (Lenovo) Elan Hid Class Filter Driver For Windows 11 (Version 22h2 Or Later) - — versions 0
- Lenovo 300w 2-in-1 Gen 5 (Type 83lf, 83lg) Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 23h2 Or Later) - 100w 5, 500w — versions 0
- Lenovo 300w Yoga Gen 4 Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 22h2 Or Later) - 100w 4, 500w — versions 0
- Lenovo 500w 2-in-1 Gen 5 (Type 83lh, 83lj) Laptop (Lenovo) Elan Trackpoint Driver For Windows 11 (Version 23h2 Or Later) - 100w 5, 300w — versions 0
Weakness classification (CWE)
References
- psirt@lenovo.com (vendor-advisory)
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.