How severe is CVE-2026-80358?

CVE-2026-80358 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2026-80358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-80358?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-80358 published?

CVE-2026-80358 was published on 2026-09-28.

CVE-2026-80358

CVE-2026-80358 is a medium-severity vulnerability with a CVSS 3.x base score of 5.1. 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-1191.

Key facts

Severity: Medium (CVSS 3.x base score 5.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1191
Published: 2026-09-28
Last modified: 2026-09-28

Description

Dell Boot Optimized Server Storage (BOSS), versions prior to 2.2.13.2038, contains an On-Chip Debug and Test Interface With Improper Access Control vulnerability in the SMCU on 17G BOSS-N1 controllers. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Unauthorized access.

Frequently asked questions

What is CVE-2026-80358?: Dell Boot Optimized Server Storage (BOSS), versions prior to 2.2.13.2038, contains an On-Chip Debug and Test Interface With Improper Access Control vulnerability in the SMCU on 17G BOSS-N1 controllers. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Unauthorized access.
How severe is CVE-2026-80358?: CVE-2026-80358 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over physical access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2026-80358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-80358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-80358 published?: CVE-2026-80358 was published on 2026-09-28.

References

https://www.dell.com/support/kbdoc/en-us/000513073/dsa-2026-402-security-update-for-dell-boot-optimized-server-storage-boss-vulnerability

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