CVE-2026-6387

EUVD-2026-58055
A potential authentication bypass vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute arbitrary code with elevated privileges.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
lenovoCNA
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
lenovosystem_update
𝑥
< 5.8.4.85
CNA
Common Weakness Enumeration
References
https://support.lenovo.com/us/en/product_security/LEN-213316
https://support.lenovo.com/us/en/solutions/ht037099