CVE-2026-1636: CWE-427: Uncontrolled Search Path Element in Lenovo Service Bridge
CVE-2026-1636 is a medium severity vulnerability in Lenovo Service Bridge involving an uncontrolled search path element that could lead to DLL hijacking. This issue may allow a local authenticated user to execute code with elevated privileges under certain conditions. The vulnerability has a CVSS 4. 0 base score of 5. 4, indicating moderate risk. No official patch or remediation guidance has been provided by Lenovo at this time. There are no known exploits in the wild. The vulnerability affects local installations of Lenovo Service Bridge and does not involve cloud services.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-1636) in Lenovo Service Bridge is classified as CWE-427 (Uncontrolled Search Path Element). It potentially allows a local authenticated user to perform DLL hijacking, which could result in code execution with elevated privileges. The CVSS 4.0 vector indicates the attack requires local access with low complexity and partial user interaction, and the impact on confidentiality, integrity, and availability is high. No official remediation or patch has been announced by Lenovo, and no exploits are currently known.
Potential Impact
If exploited, this vulnerability could allow a local authenticated user to execute arbitrary code with elevated privileges on the affected system. This could lead to unauthorized actions or system compromise. However, exploitation requires local access and user interaction, limiting the attack surface. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Lenovo vendor advisory for current remediation guidance. Until an official fix is available, limit local user access and avoid running untrusted code or files that could trigger DLL hijacking in Lenovo Service Bridge.
CVE-2026-1636: CWE-427: Uncontrolled Search Path Element in Lenovo Service Bridge
Description
CVE-2026-1636 is a medium severity vulnerability in Lenovo Service Bridge involving an uncontrolled search path element that could lead to DLL hijacking. This issue may allow a local authenticated user to execute code with elevated privileges under certain conditions. The vulnerability has a CVSS 4. 0 base score of 5. 4, indicating moderate risk. No official patch or remediation guidance has been provided by Lenovo at this time. There are no known exploits in the wild. The vulnerability affects local installations of Lenovo Service Bridge and does not involve cloud services.
CVSS v4.0
Score 5.4medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-1636) in Lenovo Service Bridge is classified as CWE-427 (Uncontrolled Search Path Element). It potentially allows a local authenticated user to perform DLL hijacking, which could result in code execution with elevated privileges. The CVSS 4.0 vector indicates the attack requires local access with low complexity and partial user interaction, and the impact on confidentiality, integrity, and availability is high. No official remediation or patch has been announced by Lenovo, and no exploits are currently known.
Potential Impact
If exploited, this vulnerability could allow a local authenticated user to execute arbitrary code with elevated privileges on the affected system. This could lead to unauthorized actions or system compromise. However, exploitation requires local access and user interaction, limiting the attack surface. There are no reports of active exploitation in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Lenovo vendor advisory for current remediation guidance. Until an official fix is available, limit local user access and avoid running untrusted code or files that could trigger DLL hijacking in Lenovo Service Bridge.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- lenovo
- Date Reserved
- 2026-01-29T16:42:53.823Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69df88bc82d89c981f17bd55
Added to database: 4/15/2026, 12:46:52 PM
Last enriched: 4/22/2026, 11:16:24 PM
Last updated: 5/30/2026, 5:13:08 PM
Views: 72
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