Unrated severityNVD Advisory· Published Aug 5, 2026· Updated Aug 5, 2026
Cisco IOS XE Software Security Hardening Release
CVE-2026-20271
Description
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-2026-20271 are related to insufficient control flow management issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-691.
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Affected products
1Patches
Vulnerability mechanics
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