What is CVE-2026-26358?

CVE-2026-26358 is a high-severity vulnerability in Dell Powermax, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-02-19.

How severe is CVE-2026-26358?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Dell Powermax

CVE-2026-26358

Dell Unisphere for PowerMax, version(s) 10.2, contain(s) a Missing Authorization vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.

Vulnerability class: Broken Access Control

Published 2026-02-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.5th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.dell.com/support/kbdoc/en-us/000429268/dsa-2026-102-dell-unisphere-for-powe… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-26358?: CVE-2026-26358 is a high-severity vulnerability in Dell Powermax, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-02-19.
How severe is CVE-2026-26358?: High severity. CVSS v3 base score is 8.8 out of 10.