Cisco NX-OS known exploited vulnerabilities
We track 3 CVEs in Cisco NX-OS. 1 of them is on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2024–2024). The most recent is CVE-2026-76501.
Also listed as: NX-OS (Nexus series). CISA, NVD and vendor advisories name the same product differently; each CVE page keeps the wording from its source.
- CVEs tracked
- 3
- On CISA KEV
- 1
- Ransomware use
- 0
- Rated critical
- 2
Every Cisco NX-OS CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2026-76501 Cisco NX-OS SRv6 NGOAM unauthenticated root RCEwrite-up | [ CRITICAL ] | 9.8 | 0.5% | — | — |
| CVE-2026-76471 Cisco NX-OS NX-API unauthenticated root RCEwrite-up | [ CRITICAL ] | 9.8 | 0.5% | — | — |
| CVE-2024-20399 Cisco NX-OS Command Injection Vulnerability | [ MEDIUM ] | 6.0 | 4.3% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/cisco.json.
Our Cisco NX-OS coverage
Other Cisco products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.