Cloudanix VulnDB

CVE-2026-20272

Critical · 9.8

CVSS

9.8

EPSS

0.6%

Published

Aug 5, 2026

CISA due date

—

The record

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 software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20272 are related to issues with improper neutralization of special elements that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-74.

Affected packages

Ecosystem Package Introduced Fixed

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