8.6
High
CVE-2026-76456 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has…
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-2026-76456 are related to improper input validation of special elements used in a command issue that are grouped under the Common Weakness Enumeration (CWE) CWE-20.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco NX-OS Software | Versions not published | |
| Cisco NX-OS System Software in ACI Mode | Versions not published | |
| Cisco Unified Computing System (Managed) | Versions not published |
Other CVEs of Cisco NX-OS Software
The 102 CVEs of Cisco NX-OS Software →
CVE-2026-76501
A vulnerability in the Segment Routing over IPv6 (SRv6) Operation, Administration, and Maintenance (OAM) feature of…
9.8
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CVE-2026-76486
A vulnerability in the VXLAN Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known…
9.8
Critical
CVE-2026-76485
A vulnerability in the VXLAN Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software, known…
9.8
Critical
CVE-2026-76458
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has…
8.6
High