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CVE-2026-58566 Dell CVE debrief

CVE-2026-58566 is an Incorrect Authorization vulnerability in Dell PowerStore, allowing low-privileged attackers with remote access to potentially exploit this vulnerability, leading to elevation of privileges. The vulnerability has a CVSS score of 8.8 and is classified as HIGH severity. Organizations should review their configurations and apply necessary patches. The CVE record was published on 2026-09-01T17:17:31.507Z and has not been modified since then. Affected product deployments should be identified, and owners assigned for follow-up. Official advisories and CVE records should be reviewed to validate affected scope, severity, and vendor guidance.

Vendor
Dell
Product
PowerStore 500T
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-01
Original CVE updated
2026-09-04
Advisory published
2026-09-01
Advisory updated
2026-09-04

Who should care

Organizations using Dell PowerStore, especially those with remote access configurations, should be aware of this vulnerability and take necessary precautions. Affected operators, platforms, and security teams should review their configurations and apply necessary patches. Vulnerability management and security teams should prioritize patching this vulnerability to prevent potential elevation of privileges by low-privileged attackers with remote access.

Technical summary

CVE-2026-58566 is an Incorrect Authorization vulnerability in Dell PowerStore. A low-privileged attacker with remote access could potentially exploit this vulnerability, leading to elevation of privileges. The vulnerability has a CVSS score of 8.8 and is classified as HIGH severity. Organizations using Dell PowerStore should prioritize patching this vulnerability to prevent potential elevation of privileges by low-privileged attackers with remote access.

Defensive priority

Organizations using Dell PowerStore should prioritize patching this vulnerability to prevent potential elevation of privileges by low-privileged attackers with remote access.

Recommended defensive actions

  • Review and apply the security update provided by Dell for Dell PowerStore T.
  • Verify the vulnerability's impact on your specific environment.
  • Monitor for any signs of exploitation attempts.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.

Evidence notes

The CVE record indicates an Incorrect Authorization vulnerability in Dell PowerStore, which could lead to elevation of privileges. However, details are limited, and further verification is necessary to fully understand the vulnerability's impact. Defenders should verify the vulnerability's impact on their specific environment and monitor for any signs of exploitation attempts. The official CVE Program record and NIST NVD detail page provide source-provided CVE metadata and vulnerability assessments.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-58566 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-58566

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-58566 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-58566

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://www.dell.com/support/kbdoc/en-us/000497829/dsa-2026-330-dell-powerstore-t-security-update-for-multiple-vulnerabilities

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.