What is CVE-2026-63427?

CVE-2026-63427 is a high-severity vulnerability in Lenovo Software Fix, classified under Authentication Bypass by Spoofing. CVSS score: 7.8/10. Published 2026-09-10.

How severe is CVE-2026-63427?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Lenovo Software Fix

CVE-2026-63427

An authentication bypass vulnerability was discovered in Lenovo Software Fix that could allow a local authenticated user to perform arbitrary code execution with elevated privileges.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lenovo Software Fix

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

psirt@lenovo.com (product, patch)
psirt@lenovo.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-63427?: CVE-2026-63427 is a high-severity vulnerability in Lenovo Software Fix, classified under Authentication Bypass by Spoofing. CVSS score: 7.8/10. Published 2026-09-10.
How severe is CVE-2026-63427?: High severity. CVSS v3 base score is 7.8 out of 10.