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Vulnerability record · CVE-2026-63427 · published 10 September 2026

CVE-2026-63427: Authentication bypass by spoofing vulnerability

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.

8.5 CVSS 4.0 High EPSS 0.19% · top 91.9% CWE-290 · Authentication bypass by spoofing Deferred
8.5CVSS 4.0 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
15 Sep 2026Last modified by NVD

Description

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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://support.lenovo.com/us/en/downloads/ds101291-rescue-and-smart-assistant-lmsa
https://support.lenovo.com/us/en/product_security/LEN-217409

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

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Source: NIST National Vulnerability Database (record CVE-2026-63427), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.