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 addres
Read at Cisco PSIRT Security Advisories
- Vendor
- Cisco
- Product
- IOS XE / IOS XR / NX-OS
- EPSS
- 0.003 (p27)
- Fix
- available
- Exposure class
- Edge / VPN / firewall
Why it ranks 43 (Notable)
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Covered by 3 independent sources
- Fix available
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Cisco PSIRT Security Advisories (sec.cloudapps.cisco.com)
- CVE-2026-76453 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-76455 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-76456 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-76457 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-76458 on this site · NVD · CVE.org · Vulnpedia
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