CVE-2026-77873

Improper Permissions Allowing Local Authenticated Users to Execute Code with Elevated Privileges in Lenovo System Update

Published Nov 11, 2026 CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Description
An improper permissions vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute code with elevated privileges.

Remediation

Vendor Solution

As of October 31, 2026, Lenovo System Update has reached end of support status, and no further updates will be released to address these vulnerabilities.  Lenovo recommends that users uninstall Lenovo System Update as soon as possible and migrate to Lenovo Commercial Vantage ( Lenovo Commercial Vantage - Lenovo Support US https://support.lenovo.com/us/en/solutions/hf003321 ).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Improper Permissions Allowing Local Authenticated Users to Execute Code with Elevated Privileges in Lenovo System Update
Type Values Removed Values Added
Description An improper permissions vulnerability was reported in Lenovo System Update that could allow a local authenticated user to execute code with elevated privileges.
First Time appeared Lenovo
Lenovo system Update
Weaknesses CWE-276
CPEs cpe:2.3:a:lenovo:system_update:*:*:*:*:*:*:*:*
Vendors & Products Lenovo
Lenovo system Update
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
lenovo
Published
Updated
Nov 11, 2026, 4:15 PM
Reserved
Aug 21, 2026, 3:10 PM
Status
Awaiting Analysis
Published
Nov 11, 2026, 5:17 PM
Modified
Nov 12, 2026, 10:09 PM