critical CVE-2026-76471
NX-API feature of Cisco NX-OS Software: Code execution with root privileges and denial of service possible
NVD (NIST) reports one vulnerability in NX-API feature of Cisco NX-OS Software with severity critical. The stated impact is code execution with root privileges and denial of service. Affected: CVE-2026-76471. The full description, affected versions and recommended action are available from NVD (NIST).
- Attack vector
- over the network
- Access needed
- none
- CVSS
- 9.8
What this means for you
An attacker can run their own code with the highest system privileges — the most severe case there is. First check whether the system is reachable from the internet: if it is, the update takes precedence over the regular maintenance window.
Original source
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