CRITICALVulnerability
Verified
Global

NVD CRITICAL: CVE-2026-76501 — A vulnerability in the Segment Routing over IPv6 (SRv6) Operation, Administratio...

·Source: NIST NVD

Updated:

Executive Summary

A vulnerability in the Segment Routing over IPv6 (SRv6) Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) on an affected device. This vulnerability is due to improper input validation of IP traffic when the NGOAM and SR

Analysis

A vulnerability in the Segment Routing over IPv6 (SRv6) Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) on an affected device. This vulnerability is due to improper input validation of IP traffic when the NGOAM and SRv6 features are enabled. An attacker could exploit this vulnerability by sending crafted packets to an IP interface on an affected device. A successful exploit could allow the attacker to execute arbitrary code with root privileges and could cause process crashes resulting in a reload and DoS condition. CVSS Score: 9.8. Published: 2026-10-07T17:17:02.113.

Indicators of Compromise (1)

CVE (1)
CVE-2026-76501
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 7, 2026. Verified by: NIST.

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