How severe is CVE-2026-21424?

CVE-2026-21424 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21424 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21424?

CVE-2026-21424 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21424?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21424 have an EU (EUVD) identifier?

Yes. CVE-2026-21424 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9399.

When was CVE-2026-21424 published?

CVE-2026-21424 was published on 2026-03-04 and last updated on 2026-06-17.

CVE-2026-21424

CVE-2026-21424 is a medium-severity vulnerability in Dell Powerscale Onefs with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-250.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9399
Weakness: CWE-250
Affected product: Dell Powerscale Onefs
Published: 2026-03-04
Last modified: 2026-06-17

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 Elevation of privileges.

Frequently asked questions

What is CVE-2026-21424?: 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 Elevation of privileges.
How severe is CVE-2026-21424?: CVE-2026-21424 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21424 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21424?: CVE-2026-21424 affects Dell Powerscale Onefs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21424?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21424 have an EU (EUVD) identifier?: Yes. CVE-2026-21424 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9399.
When was CVE-2026-21424 published?: CVE-2026-21424 was published on 2026-03-04 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:dell:powerscale_onefs:*:*:*:*:*:*:*:*

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