Dell Expands PowerStore Advisory with Two Additional Critical Vulnerabilities
Dell has updated its security advisory for the Dell PowerStore storage platform, expanding the list of addressed vulnerabilities and confirming the availability of additional firmware updates.
The original advisory, published on August 10, 2026, covered multiple issues in PowerStoreT OS rated as Critical. Subsequent revisions on August 27 and August 31 added new details about affected versions and two previously undisclosed vulnerabilities.
The August 27 update introduced patches for PowerStoreT OS versions 4.3.1.2-2771239 and 4.1.0.6-2771237 in addition to the previously listed 5.0.0.2-2761110 build. The August 31 revision added CVE-2026-58566 and CVE-2026-79687 to the remediation list, confirming that both issues are resolved by the updates released earlier in the month.
CVE-2026-79687 affects Dell PowerStore SDNAS and stems from missing authentication in a critical component, potentially allowing remote attackers to access the file system without credentials. CVE-2026-58566 is described as an authorization bypass vulnerability that can result in privilege escalation. The two flaws received CVSSv3.1 base scores of 9.0 and 8.8 respectively.
The full list of vulnerabilities referenced in the advisory includes: CVE-2026-58566, CVE-2026-58567, CVE-2026-58569, CVE-2026-58571, CVE-2026-58572, CVE-2026-58574, CVE-2026-58575, CVE-2026-67262, CVE-2026-67271, CVE-2026-70415, CVE-2026-76111, CVE-2026-79682, CVE-2026-79683, CVE-2026-79684, CVE-2026-79685, CVE-2026-79686, and CVE-2026-79687.
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