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PatchSiren cyber security CVE debrief

CVE-2026-7473 Arista Networks CVE debrief

The Arista Extensible Operating System has an Incomplete Comparison with Missing Factors Vulnerability. This CVE was published on 2026-06-09T00:00:00.000Z and has not been modified since then. The NVD entry is currently Medium. Defenders should assess exposure and prioritize mitigations to prevent potential exploitation. The vulnerability affects Arista Extensible Operating System deployments, and defenders should verify system configurations and versions to determine exposure. They should also apply mitigations per vendor instructions to prevent potential exploitation.

Vendor
Arista Networks
Product
Extensible Operating System
CVSS
MEDIUM 6.9
CISA KEV
Listed
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Defenders of Arista Extensible Operating System deployments should assess exposure and prioritize mitigations to prevent potential exploitation. They should verify system configurations and versions to determine exposure and apply mitigations per vendor instructions. This includes reviewing compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

Defenders of Arista Extensible Operating System deployments should assess exposure and prioritize mitigations to prevent potential exploitation.

  • Verify system configurations and versions to determine exposure
  • Apply mitigations per vendor instructions to prevent potential exploitation
  • Follow applicable BOD 22-01 guidance for cloud services to minimize risk

Technical summary

The Arista Extensible Operating System has an Incomplete Comparison with Missing Factors Vulnerability. This vulnerability affects Arista Extensible Operating System deployments. Defenders should assess exposure and prioritize mitigations to prevent potential exploitation. The vulnerability has a CVSS score of 6.9 and a severity of Medium. The CVE record provides additional details on the vulnerability.

Defensive priority

Defenders should prioritize verifying exposure and applying mitigations per vendor instructions.

Recommended defensive actions

  • Verify exposure by checking system configurations and versions
  • Apply mitigations per vendor instructions
  • Follow applicable BOD 22-01 guidance for cloud services

Evidence notes

The CISA Known Exploited Vulnerabilities catalog and CVE Program record provide details on this vulnerability. The CVE record was published on 2026-06-09T00:00:00.000Z and has not been modified since then. The CISA catalog of vulnerabilities known to be exploited in the wild and the official CVE Program record with source-provided CVE metadata are the sources of this information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7473 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7473

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-7473 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7473

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.