CVE-2026-4135

During an internal security assessment, a potential vulnerability was discovered in Lenovo Software Fix, that during installation could allow a local authenticated user to perform an arbitrary file write with elevated privileges.

CVSS v3 6.6 MEDIUM

6.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.3 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.lenovo.com/us/en/product_security/LEN-213829	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:lenovo:software_fix:*:*:*:*:*:*:*:*

History

26 Oct 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Durante una evaluación de seguridad interna, se descubrió una posible vulnerabilidad en Lenovo Software Fix, que durante la instalación podría permitir a un usuario local autenticado realizar una escritura de archivo arbitraria con privilegios elevados.

Information

Published : 2026-04-15 13:16

Updated : 2026-10-26 00:10

NVD link : CVE-2026-4135

Mitre link : CVE-2026-4135

CVE.ORG link : CVE-2026-4135

JSON object : View

Products Affected

lenovo

software_fix

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

{"id": "CVE-2026-4135", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4135", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-15T13:05:00.378552Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@lenovo.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.6, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 1.3}], "cvssMetricV40": [{"type": "Secondary", "source": "psirt@lenovo.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.2, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "psirt@lenovo.com", "affectedData": [{"vendor": "Lenovo", "product": "Software Fix", "versions": [{"status": "affected", "version": "0", "lessThan": "7.5.5.19", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-15T13:16:24.660", "references": [{"url": "https://support.lenovo.com/us/en/product_security/LEN-213829", "tags": ["Vendor Advisory"], "source": "psirt@lenovo.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@lenovo.com", "description": [{"lang": "en", "value": "CWE-59"}]}], "descriptions": [{"lang": "en", "value": "During an internal security assessment, a potential vulnerability was discovered in Lenovo Software Fix, that during installation could allow a local authenticated user to perform an arbitrary file write with elevated privileges."}, {"lang": "es", "value": "Durante una evaluaci\u00f3n de seguridad interna, se descubri\u00f3 una posible vulnerabilidad en Lenovo Software Fix, que durante la instalaci\u00f3n podr\u00eda permitir a un usuario local autenticado realizar una escritura de archivo arbitraria con privilegios elevados."}], "lastModified": "2026-10-26T00:10:00.150", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:lenovo:software_fix:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "88B20C95-12A2-4149-9A6E-5BDE7ED180AF", "versionEndExcluding": "7.5.5.19"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@lenovo.com"}