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CVE-2026-1636

Quick assessment

Affected
Lenovo Service Bridge
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 Service Bridge是中国联想（Lenovo）公司的一款基于Windows平台的应用程序。该程序能够自动检测设备的序列号、设备类型和型号，以提供相应服务。 Lenovo Service Bridge存在安全漏洞，该漏洞源于潜在的DLL劫持漏洞，可能导致本地经过身份验证的用户以提升的权限执行代码。

CVSS 6.7 · Medium EPSS 0.13% · P3
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I. Basic Information for CVE-2026-1636

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A potential DLL hijacking vulnerability was reported in Lenovo Service Bridge that, under certain conditions, 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:H/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 Service Bridge 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenovo Service Bridge是中国联想（Lenovo）公司的一款基于Windows平台的应用程序。该程序能够自动检测设备的序列号、设备类型和型号，以提供相应服务。 Lenovo Service Bridge存在安全漏洞，该漏洞源于潜在的DLL劫持漏洞，可能导致本地经过身份验证的用户以提升的权限执行代码。
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 Service Bridge 0 ~ 5.0.2.20 -

II. Public POCs for CVE-2026-1636

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III. Intelligence Information for CVE-2026-1636

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Vendor Advisories for CVE-2026-1636 (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-2026-4134 7.3 HIGH Lenovo Software Fix 安全漏洞
CVE-2026-0827 7.1 HIGH Lenovo Diagnostics 安全漏洞
CVE-2026-4135 6.6 MEDIUM Lenovo Software Fix 安全漏洞

IV. Related Vulnerabilities

Same product: Service Bridge
Same vendor: Lenovo
Same weakness: CWE-427

V. Comments for CVE-2026-1636

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