CVE-2026-20276

HIGHCVSS 8.60% EPSS

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-2026-20276 are related to insufficient control flow management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-691.

Published 2026-09-02 · last modified 2026-09-18

Affected products

VendorProduct
ciscoios_xr

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.