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// CVE · PUBLISHED 2026-10-07

CVE-2026-76459

Cisco / Cisco NX-OS Software · Cisco / Cisco NX-OS System Software in ACI Mode · Cisco / Cisco Unified Computing System (Managed)

9.8 · CVSS 3.1Critical

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76459 are related to out-of-bounds write issues that are grouped under the Common Weakness Enumeration (CWE) CWE-787.

References

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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.