What is CVE-2026-73464?

CVE-2026-73464 is a high-severity vulnerability in Arista Networks Eos, classified under Code Injection. CVSS score: 8.8/10. Published 2026-09-16.

How severe is CVE-2026-73464?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Arista Networks Eos

CVE-2026-73464

On affected platforms running Arista EOS with gRPC Network Management Interface (gNMI) enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface (gNMI) access to execute arbitrary code with root privileges on the switch.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Arista Networks Eos

Weakness classification (CWE)

CWE-94 — Code Injection

References

psirt@arista.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-73464?: CVE-2026-73464 is a high-severity vulnerability in Arista Networks Eos, classified under Code Injection. CVSS score: 8.8/10. Published 2026-09-16.
How severe is CVE-2026-73464?: High severity. CVSS v3 base score is 8.8 out of 10.