Patchwire CVEs, their patch status, and feeds to follow them

CVE-2026-76456

No fix known EPSS <1%CVSS 8.6

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76456 are related to improper input validation of special elements used in a command issue that are grouped under the Common Weakness Enumeration (CWE) CWE-20.

Published 2026-10-07 · CVE record · OSV

Products: Cisco NX-OS Software, Cisco NX-OS System Software in ACI Mode, Cisco Unified Computing System (Managed)