CVE-2026-21426

Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service, elevation of privileges, and information disclosure.

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.dell.com/support/kbdoc/en-sg/000432452/dsa-2026-038-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:dell:powerscale_onefs::::::::
	cpe:2.3:o:dell:powerscale_onefs::::::::

History

No history.

Information

Published : 2026-03-04 13:15

Updated : 2026-06-17 10:18

NVD link : CVE-2026-21426

Mitre link : CVE-2026-21426

CVE.ORG link : CVE-2026-21426

JSON object : View

Products Affected

dell

powerscale_onefs

CWE

CWE-250

Execution with Unnecessary Privileges

{"id": "CVE-2026-21426", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21426", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-03-04T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security_alert@emc.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "affected": [{"source": "security_alert@emc.com", "affectedData": [{"vendor": "Dell", "product": "PowerScale OneFS", "versions": [{"status": "affected", "version": "prior to 9.10.1.6", "lessThan": "9.10.1.6 or later", "versionType": "semver"}, {"status": "affected", "version": "9.11.0.0 through 9.12.0.1", "lessThan": "9.13.0.0 or later", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-03-04T13:15:57.800", "references": [{"url": "https://www.dell.com/support/kbdoc/en-sg/000432452/dsa-2026-038-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities", "tags": ["Vendor Advisory"], "source": "security_alert@emc.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security_alert@emc.com", "description": [{"lang": "en", "value": "CWE-250"}]}], "descriptions": [{"lang": "en", "value": "Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an execution with unnecessary privileges vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service, elevation of privileges, and information disclosure."}, {"lang": "es", "value": "Dell PowerScale OneFS, versiones anteriores a la 9.10.1.6 y versiones de la 9.11.0.0 a la 9.12.0.1, contiene una vulnerabilidad de ejecuci\u00f3n con privilegios innecesarios. Un atacante con altos privilegios y acceso local podr\u00eda potencialmente explotar esta vulnerabilidad, lo que podr\u00eda llevar a una denegaci\u00f3n de servicio, elevaci\u00f3n de privilegios y revelaci\u00f3n de informaci\u00f3n."}], "lastModified": "2026-06-17T10:18:38.910", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C542DE7A-D4BD-4127-A14F-6A1D151A40F6", "versionEndExcluding": "9.10.1.6"}, {"criteria": "cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23042111-E6E9-4C6B-8A89-2E7E3F44103F", "versionEndExcluding": "9.13.0.0", "versionStartIncluding": "9.11.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security_alert@emc.com"}