CVE-2026-76459
9.8 CRITICALPublished 2026-10-07 · Updated 2026-10-09
AI risk analysis
- Summary
- CVE-2026-76459 involves out-of-bounds write issues that could allow an attacker to execute arbitrary code, leading to a high severity vulnerability.
- Exploitability
- Exploitation requires specific conditions and is moderately difficult, as the attacker must be able to send crafted input to the affected system.
- Blast radius
- If exploited, the vulnerability could result in unauthorized code execution, potentially leading to full system compromise.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to the fixed version 2.590 or later.
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-787
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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