CVE-2026-63427

Published Sep 10, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

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.

Analysis

Technical impact

A local authenticated user can bypass authentication checks in Lenovo Software Fix and execute arbitrary code with elevated privileges. The flaw is classified under CWE-290, indicating an authentication bypass that undermines proper access control.

Affected Systems

Lenovo Software Fix is impacted. The vendor recommends updating to version 7.6.2.10 or later, which contains the fix for this flaw. No other product or version details are specified in the advisory.

Risk and Exploitability

The vulnerability has a CVSS score of 8.5, indicating high severity. The EPSS score is not available and the vulnerability is not listed in the CISA KEV catalog. The attack vector is local, requiring a local authenticated user to exploit the authentication bypass and gain elevated rights.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Lenovo

Software Fix

unaffected

Version	Status	Constraints
`0`	affected	< 7.6.2.10

No data.

Vendor Product Versions

Lenovo

Software Fix

Version	Status	Scheme	Platform
`[0,7.6.2.10)`	affected	generic	—

Remediation

Vendor Solution

Update Lenovo Software Fix to version 7.6.2.10 or later.

OpenCVE Recommended Actions

Apply Lenovo Software Fix v7.6.2.10 or later to all affected endpoints.
Restrict local user accounts from executing the affected component or remove unnecessary administrative rights.
If feasible, isolate the component by limiting network traffic to it through firewall or VLAN configuration until the update is applied.

Generated by OpenCVE AI on September 11, 2026 at 05:11 UTC.

Tracking

Advisories

No advisories available

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.194% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

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

History

Sep 11, 2026 3:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Sep 11, 2026 5:30 AM Title updated View changes

Type	Values Removed	Values Added
Title	Local Authentication Bypass in Lenovo Software Fix Enables Privilege Escalation

Sep 11, 2026 3:00 AM Title updated View changes

Type	Values Removed	Values Added
Title		Local Authentication Bypass in Lenovo Software Fix Enables Privilege Escalation

Sep 10, 2026 9:15 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
First Time appeared		Lenovo Lenovo software Fix
Weaknesses		CWE-290
CPEs		cpe:2.3:a:lenovo:software_fix::::::::
Vendors & Products		Lenovo Lenovo software Fix
References		https://support.lenovo.com/us/en/downloads/ds101291-rescue-and-smart-assistant-lmsa https://support.lenovo.com/us/en/product_security/LEN-217409
Metrics		cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}` cvssV4_0 `{'score': 8.5, 'vector': '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'}`