cisco-sa-hardening-nxosw1-cWzSbtR: Cisco NX-OS Software Security Hardening Release: October 2026
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. These vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class — Common Weakness Enumeration (CWE) — and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID).Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-nxosw1-cWzSbtR
Affected Software
Event History
Frequently Asked Questions
Are these vulnerabilities known to be under active exploitation?
No. The vulnerabilities were identified during Cisco internal testing and are not known to be actively exploited.
Is there a workaround if updates cannot be applied immediately?
No. Cisco states that there are no workarounds for these vulnerabilities; software updates are the available remediation.
What is the scope of the fixes?
The hardening releases address multiple internally discovered vulnerabilities in Cisco NX-OS Software. Cisco groups the issues by underlying CWE and assigns a single CVE identifier.