How severe is CVE-2026-79683?

CVE-2026-79683 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-2026-79683 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-2026-79683?

CVE-2026-79683 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-2026-79683?

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-2026-79683 published?

CVE-2026-79683 was published on 2026-09-01 and last updated on 2026-09-30.

CVE-2026-79683

CVE-2026-79683 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: 2026-09-30

Description

Dell PowerStore contains a Protection Mechanism Failure vulnerability. An authenticated user with limited privileges could potentially exploit this vulnerability to write attacker-controlled content to arbitrary filesystem paths.

Frequently asked questions

What is CVE-2026-79683?: Dell PowerStore contains a Protection Mechanism Failure vulnerability. An authenticated user with limited privileges could potentially exploit this vulnerability to write attacker-controlled content to arbitrary filesystem paths.
How severe is CVE-2026-79683?: CVE-2026-79683 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-2026-79683 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-2026-79683?: CVE-2026-79683 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-2026-79683?: 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-2026-79683 published?: CVE-2026-79683 was published on 2026-09-01 and last updated on 2026-09-30.

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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CVE-2026-93605 — Critical (CVSS 10.0): vm2 NodeVM versions before 3.12.1 contain a sandbox escape vulnerability where the DANGEROUS_BUILTINS denylist omits…
CVE-2026-92956 — Critical (CVSS 10.0): vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default `new VM()` sandbox when running on…
CVE-2026-75874 — Critical (CVSS 10.0): Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154,…
CVE-2026-47140 — Critical (CVSS 10.0): vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM blocks several dangerous Node.js builtins…
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