CVE-2026-76485

Trends

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Cisco warns of critical unauthenticated root flaws in Nexus switches●Cisco October advisory: 18 CVEs, 7 critical, no workarounds for any of them. NX-OS NGOAM: CVE-2026-76485/76486/76501 — aMmastodon Technology Cybersecurity23 d ago
Cisco's October security advisory covers 18 vulnerabilities, seven of them rated critical, with no workarounds available for any of them. The most severe issues in NX-OS — CVE-2026-76485, CVE-2026-76486 and CVE-2026-76501 — score 9.8 and allow unauthenticated root remote code execution via crafted IP packets on Nexus 3000 and 9000 switches, but only when NGOAM is enabled with SRv6 or NV Overlay. Administrators are urged to check exposure and patch promptly.
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Critical Cisco NX-OS vulnerability allows remote code execution●CVE-2026-76485: CRITICAL (CVSS 9.8) vulnerability in Cisco NX-OS NGOAM allows remote code execution or DoS via crafted pMmastodon Technology Cybersecurity23 d ago
A critical vulnerability, CVE-2026-76485, has been disclosed in Cisco NX-OS NGOAM, rated 9.8 on the CVSS scale. Attackers can send crafted packets to execute remote code or trigger denial-of-service conditions. Security researchers advise disabling NGOAM where it is not needed, as no official patch is available yet. Administrators of data centre and network infrastructure are urged to assess exposure and apply mitigations until Cisco releases a fix.