CVE-2026-20269
Modified
Modified - Updated After Analysis
Memory Corruption in Cisco IOS XE Software
Vulnerability report for CVE-2026-20269, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-08-05
Last updated on: 2026-10-23
Assigner: Cisco Systems, Inc.
Description
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-2026-20269 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-664 | The product does not maintain or incorrectly maintains control over a resource throughout its lifetime of creation, use, and release. |
