How severe is CVE-2026-79686?

CVE-2026-79686 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-2026-79686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-79686?

CVE-2026-79686 primarily affects Dell Powerstoreos. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-79686?

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.

When was CVE-2026-79686 published?

CVE-2026-79686 was published on 2026-09-01 and last updated on 2026-10-02.

CVE-2026-79686

CVE-2026-79686 is a high-severity vulnerability in Dell Powerstoreos 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-693.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-693
Affected product: Dell Powerstoreos
Published: 2026-09-01
Last modified: 2026-10-02

Description

Dell PowerStore contains a Protection Mechanism Failure vulnerability. An authenticated user with limited privileges could potentially exploit this vulnerability to bypass access restrictions and gain escalated privileges.

Frequently asked questions

What is CVE-2026-79686?: Dell PowerStore contains a Protection Mechanism Failure vulnerability. An authenticated user with limited privileges could potentially exploit this vulnerability to bypass access restrictions and gain escalated privileges.
How severe is CVE-2026-79686?: CVE-2026-79686 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-2026-79686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-79686?: CVE-2026-79686 primarily affects Dell Powerstoreos. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-79686?: 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.
When was CVE-2026-79686 published?: CVE-2026-79686 was published on 2026-09-01 and last updated on 2026-10-02.

References

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

Affected products (9)

cpe:2.3:o:dell:powerstoreos:4.1.0.0:build_2435323:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.1.0.1:build_2529516:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.1.0.2:build_2567482:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.1.0.3:build_2596462:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.1.0.4:build_2633110:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.1.0.5:build_2691357:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.3.0.0:build_2611831:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.3.1.0:build_2662695:*:*:*:*:*:*
cpe:2.3:o:dell:powerstoreos:4.3.1.1:build_2726662:*:*:*:*:*:*

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