Lenovo Service Bridge 4/4.1.0.1/5.0.2.17 uncontrolled search path
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Lenovo Service Bridge. This affects an unknown part. Such manipulation leads to uncontrolled search path. This vulnerability is uniquely identified as CVE-2026-1636. Local access is required to approach this attack. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Lenovo Service Bridge. It has been rated as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:
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.
The weakness was disclosed by Victor Rodriguez. The advisory is available at support.lenovo.com. This vulnerability is handled as CVE-2026-1636 since 01/29/2026. The exploitation is known to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.
Upgrading to version 5.0.2.20 eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.lenovo.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.7
CNA Vector (lenovo): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Uncontrolled search pathCWE: CWE-427 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Service Bridge 5.0.2.20
Timeline
01/29/2026 CVE reserved04/15/2026 Advisory disclosed
04/15/2026 VulDB entry created
04/15/2026 VulDB entry last update
Sources
Vendor: lenovo.comAdvisory: support.lenovo.com
Researcher: Victor Rodriguez
Status: Confirmed
CVE: CVE-2026-1636 (🔒)
GCVE (CVE): GCVE-0-2026-1636
GCVE (VulDB): GCVE-100-357722
Entry
Created: 04/15/2026 16:06Changes: 04/15/2026 16:06 (76)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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