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.
EPSS · FIRST.org
0.31%probability of exploitation in the next 30 days
Higher than 21% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
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CVSS v3.1 Score
Information
- Published
- 7 oct. 2026
- Updated
- 9 oct. 2026
- Status
- Awaiting Analysis
- Source
- psirt@cisco.com
Weaknesses (CWE)
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