NX-OS (Nexus) 15.2 vulnerabilities

3 advisories affect Cisco NX-OS (Nexus) 15.2. Latest: October 7, 2026.

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Vulnerability	Severity	Affected versions
Cisco Advance Notification for Publication of October 7, 2026, Security Advisories CVE-2026-76455 +13 · October 7, 2026	Critical 9.8	25 versions, from 15.2(1g) to 15.2(8i)
Cisco NX-OS Software Security Hardening Release: October 2026 CVE-2026-76453 +5 · October 7, 2026	Critical 9.8	25 versions, from 15.2(1g) to 15.2(8i)
Cisco Nexus 9000 Series Fabric Switches in ACI Mode Endpoint Group Contract Bypass Vulnerability CVE-2026-20038 · October 7, 2026	Medium 5.8	25 versions, from 15.2(1g) to 15.2(8i)

Affected versions are compiled automatically from vendor advisories and NVD and may contain errors. Where no fixed version is shown, you will find it in the official advisory linked from every page: check it there before updating.

Other NX-OS (Nexus) versions: 16.2 · 16.1 · 16.0 · 15.3 · 10.6 · 10.5 · 10.4 · 10.3 · 9.4 · 9.3 · 9.2 · 8.5 · 8.4 · 8.3 · 8.2 · 8.1 · 7.3