CVE-2026-21426
Received Received - Intake

Privilege Escalation and DoS in Dell PowerScale OneFS

Publication date: 2026-03-04

Last updated on: 2026-03-04

Assigner: Dell

Description
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.

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Meta Information

Published
2026-03-04
Last Modified
2026-03-04
Generated
2026-07-06
AI Q&A
2026-03-04
EPSS Evaluated
2026-07-05
NVD
CVE-2026-21426
EUVD
EUVD-2026-9400

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
dell powerscale_onefs to 9.10.1.6 (exc)
dell powerscale_onefs From 9.11.0.0 (inc) to 9.13.0.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-250 The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in Dell PowerScale OneFS versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1. It is an execution with unnecessary privileges vulnerability, meaning that a high privileged attacker who has local access to the system could exploit it.

Exploiting this vulnerability could allow the attacker to perform actions beyond their intended permissions.

Impact Analysis

If exploited, this vulnerability can lead to several serious impacts including denial of service, elevation of privileges, and information disclosure.

  • Denial of Service (DoS) - the attacker could disrupt normal system operations.
  • Elevation of Privileges - the attacker could gain higher access rights than intended.
  • Information Disclosure - sensitive information could be exposed to unauthorized users.
Compliance Impact

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