Is CVE-2026-21422 in the CISA KEV catalog?

No. CVE-2026-21422 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-21422?

CVE-2026-21422 has a CVSS v3 base score of 3.4 (LOW).

What is the EPSS score for CVE-2026-21422?

CVE-2026-21422 has an EPSS score of 0.11% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-21422?

Upgrade powerscale onefs to 9.13.0.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-21422

LOW

3.4

CVSS v3

NVD

Description

Dell PowerScale OneFS, versions 9.10.0.0 through 9.13.1.0, contains an external control of system or configuration setting vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to protection mechanism bypass.

CWE-15

How to fix

Remediation Available

powerscale onefsNVD

Affected:>= 9.11.0.0, < 9.13.0.0Fixed in:9.13.0.0CVE-2026-21422derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.11%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Vendor Advisory1

dell.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-30.