How severe is CVE-2026-79687?

CVE-2026-79687 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-79687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-79687?

CVE-2026-79687 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-2026-79687?

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

When was CVE-2026-79687 published?

CVE-2026-79687 was published on 2026-09-01 and last updated on 2026-10-02.

CVE-2026-79687

CVE-2026-79687 is a critical-severity vulnerability in Dell Powerstoreos with a CVSS 3.x base score of 9.0. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Dell Powerstoreos
Published: 2026-09-01
Last modified: 2026-10-02

Description

Dell PowerStore SDNAS contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Filesystem access.

Frequently asked questions

What is CVE-2026-79687?: Dell PowerStore SDNAS contains a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Filesystem access.
How severe is CVE-2026-79687?: CVE-2026-79687 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-79687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-79687?: CVE-2026-79687 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-2026-79687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-79687 published?: CVE-2026-79687 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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