CVE-2026-20267 is listed by Cisco IOS XE Software Security Hardening Release: August 2026.

Code

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No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 2, 2026 · Cisco Security Advisories

   Detected

   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. These vulnerabilities were found during internal testing and are not known to be actively exploited. T

Sources

• Cisco Security AdvisoriesVendor advisoryCVE-2026-20267

  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

  sec.cloudapps.cisco.com