How severe is CVE-2026-26358?

CVE-2026-26358 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26358?

CVE-2026-26358 primarily affects Dell Unisphere For Powermax. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-26358?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26358 have an EU (EUVD) identifier?

Yes. CVE-2026-26358 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8012.

When was CVE-2026-26358 published?

CVE-2026-26358 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2026-26358

CVE-2026-26358 is a high-severity vulnerability in Dell Unisphere For Powermax with a CVSS 3.x base score of 8.8. 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8012
Weakness: CWE-862
Affected product: Dell Unisphere For Powermax
Published: 2026-02-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-26358?: CVE-2026-26358 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26358?: CVE-2026-26358 primarily affects Dell Unisphere For Powermax. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-26358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26358 have an EU (EUVD) identifier?: Yes. CVE-2026-26358 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8012.
When was CVE-2026-26358 published?: CVE-2026-26358 was published on 2026-02-19 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000429268/dsa-2026-102-dell-unisphere-for-powermax-and-powermax-eem-security-update-for-multiple-vulnerabilities

Affected products (2)

cpe:2.3:a:dell:unisphere_for_powermax:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:unisphere_for_powermax:*:*:*:*:eem:*:*:*

More vulnerabilities in Dell Unisphere For Powermax

CVE-2026-26359 — High (CVSS 8.8): Dell Unisphere for PowerMax, version(s) 10.2, contain(s) an External Control of File Name or Path vulnerability. A low…
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CVE-2026-26360 — High (CVSS 8.1): Dell Unisphere for PowerMax, version(s) 10.2, contain(s) an External Control of File Name or Path vulnerability. A low…
CVE-2021-21531 — High (CVSS 8.1): Dell Unisphere for PowerMax versions prior to 9.2.1.6 contain an Authorization Bypass Vulnerability. A local…
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