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CVE-2026-4134

Quick assessment

Affected
Lenovo Software Fix
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lenovo Software Fix是中国联想（Lenovo）公司的一款系统修复工具。 Lenovo Software Fix存在安全漏洞，该漏洞源于安装过程中权限验证不当，可能导致本地已验证用户执行具有提升权限的代码。

CVSS 7.3 · High EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-4134

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
During an internal security assessment, a potential vulnerability was discovered in Lenovo Software Fix, that during installation could allow a local authenticated user to execute code with elevated privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Lenovo Software Fix 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Software Fix是中国联想（Lenovo）公司的一款系统修复工具。 Lenovo Software Fix存在安全漏洞，该漏洞源于安装过程中权限验证不当，可能导致本地已验证用户执行具有提升权限的代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Lenovo Software Fix 0 ~ 7.5.5.19 -

II. Public POCs for CVE-2026-4134

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III. Intelligence Information for CVE-2026-4134

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Vendor Advisories for CVE-2026-4134 (1)

Same Patch Batch · Lenovo · 2026-04-15 · 5 CVEs total

CVE-2026-4145 7.8 HIGH Lenovo Software Fix 安全漏洞
CVE-2026-0827 7.1 HIGH Lenovo Diagnostics 安全漏洞
CVE-2026-1636 6.7 MEDIUM Lenovo Service Bridge 安全漏洞
CVE-2026-4135 6.6 MEDIUM Lenovo Software Fix 安全漏洞

IV. Related Vulnerabilities

Same product: Software Fix
Same vendor: Lenovo
Same weakness: CWE-427

V. Comments for CVE-2026-4134

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