CVE-2026-6387

HIGH 7.0

CVSS Score

7.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-290
Vendor	lenovo
Product	system update
Published	Aug 13, 2026
Last Updated	Aug 13, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Lenovo / System Update

0 < 5.08.04.85

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.lenovo.com: https://support.lenovo.com/us/en/product_security/LEN-213316 support.lenovo.com: https://support.lenovo.com/us/en/solutions/ht037099

Credits

Lenovo thanks sf0rn for reporting this vulnerability.