What is CVE-2026-89062?

CVE-2026-89062 is a medium-severity vulnerability in Lenovo Energy Management Driver, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-10-16.

How severe is CVE-2026-89062?

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

Buffer overflow in Lenovo Energy Management Driver

CVE-2026-89062

A potential out-of-bounds write vulnerability was reported in the Lenovo Energy Management driver that could allow a local authenticated user to cause a blue screen error.

Vulnerability class: Buffer Overflow

Published 2026-10-16 · last modified 2026-10-16.

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:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Lenovo Energy Management Driver

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

support.lenovo.com/us/en/product_security/LEN-218444

Frequently asked questions

What is CVE-2026-89062?: CVE-2026-89062 is a medium-severity vulnerability in Lenovo Energy Management Driver, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-10-16.
How severe is CVE-2026-89062?: Medium severity. CVSS v3 base score is 5.5 out of 10.