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Extensible Operating System vulnerabilities

1 published alerts for Arista Extensible Operating System.

Actively exploited (KEV)

CVE-2026-7473

Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability

Arista Extensible Operating System is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-7473). Arista Extensible Operating System (EOS) contains an incomplete comparison with missing factors vulnerability when the switch incorrectly decapsulate and forwards other unexpected tunneled packet with a destination IP matching its configured decapsulation IP. CISA remediation due date: 2026-06-23. PremierePC tracks KEV alerts for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.