CVE-2026-77873

HIGH 7.3

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

An improper permissions vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute code with elevated privileges.

CWE	CWE-276
Vendor	lenovo
Product	system update
Published	Nov 11, 2026

Stay Ahead of the Next One

Get instant alerts for lenovo system update

Be the first to know when new high vulnerabilities affecting lenovo system update are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Lenovo / System Update

0 ≤ 5.08.03.59

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.lenovo.com: https://support.lenovo.com/us/en/product_security/LEN-232748 support.lenovo.com: https://support.lenovo.com/us/en/downloads/ds012808

Credits

Lenovo thanks sf0rn for reporting this vulnerability. Lenovo thanks Nicholas Ineson – Forefront IT Security Services Ltd for subsequently reporting this vulnerability.