Security Advisory

CVE-2026-20277

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-02 16:13:11

Last updated 2026-09-18 12:10:19

Assigner cisco

CVSS score 8.2

State PUBLISHED

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20277 are related to protection mechanism failure issues that are grouped under the Common Weakness Enumeration (CWE) CWE-693.

← Browse all CVEs View on cve.org ↗