CVE-2026-20273

HIGHCVSS 8.60% EPSS

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20273 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.

Published 2026-08-05 · last modified 2026-08-17

Affected products

VendorProduct
ciscoios_xe

Full record at NVD ↗

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