Vulnerability-Lookup

CVE-2026-1636 (GCVE-0-2026-1636)

Vulnerability from cvelistv5 – Published: 2026-04-15 12:27 – Updated: 2026-04-16 03:55

Summary

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.

Severity

5.4 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

6.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-15 00:00 UTC

CWE

CWE-427 - Uncontrolled Search Path Element

Assigner

lenovo mitre root

References

1 reference

URL	Tags
https://support.lenovo.com/us/en/product_security…

Impacted products

1 product

Vendor	Product	Version	CPE status
Lenovo	Service Bridge	Affected: 0 , < 5.0.2.20 (custom) cpe:2.3:a:lenovo:service_bridge::::::::

Credits

Lenovo thanks Victor Rodriguez (aka NT3P) for reporting this issue.

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-1636

Vulnerability from fkie_nvd - Published: 2026-04-15 13:16 - Updated: 2026-08-24 17:26

Severity

6.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Summary

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.

References

	URL	Tags
	psirt@lenovo.com	https://support.lenovo.com/us/en/product_security/LEN-211071	Vendor Advisory

Impacted products

	Vendor	Product	Version
	lenovo	service_bridge	*

JSON

To clipboard

{
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          "defaultStatus": "unaffected",
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          "vendor": "Lenovo",
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GHSA-QPGX-VHR9-CWJ5

Vulnerability from github – Published: 2026-04-15 15:31 – Updated: 2026-04-15 15:31

Details

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.

Severity

6.7 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

5.4 (Medium)


                  
                    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

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    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-15T13:16:24Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-qpgx-vhr9-cwj5",
  "modified": "2026-04-15T15:31:42Z",
  "published": "2026-04-15T15:31:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1636"
    },
    {
      "type": "WEB",
      "url": "https://support.lenovo.com/us/en/product_security/LEN-211071"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-1636 (GCVE-0-2026-1636)

FKIE_CVE-2026-1636

GHSA-QPGX-VHR9-CWJ5

Tags

Sightings

Nomenclature

Related by attack behaviour