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Vulnerability record · CVE-2022-1891 · published 26 January 2023

CVE-2022-1891: Lenovo thinkbook 14-iml firmware heap-based buffer overflow vulnerability

Lenovo · Thinkbook 14 Iml Firmware

A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

7.8 CVSS 3.1 High EPSS 0.34% · top 73.9% CWE-122 · Heap-based buffer overflowCWE-120 · Classic buffer overflow
7.8CVSS 3.1 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.lenovo.com/us/en/product_security/LEN-91369 Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-91369 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-1891), CISA KEV, FIRST EPSS (scores of 2026-10-18). This page is refreshed as NVD updates the record.