Vulnerability Bulletins

CVE-2026-20271

   
Affected software CISCO
 
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.

Link:

https://nvd.nist.gov/vuln/detail/CVE-2026-20271