Improper Handling of Exceptional Conditions in Cisco NX-OS
CVE-2026-76458

8.6HIGH

Key Information:

Vendor

Cisco
Status
Cisco Nx-os Software
Cisco Nx-os System Software In Aci Mode
Cisco Unified Computing System (managed)
Vendor
CVE Published:
7 October 2026

Badges

👾 Exploit Exists

What is CVE-2026-76458?

Cisco NX-OS has been found to exhibit vulnerabilities related to improper handling of exceptional conditions, categorized under the Common Weakness Enumeration (CWE-703). These vulnerabilities could potentially impact security and product functionality. The Cisco NX-OS engineering team has proactively addressed these issues through a software hardening release, aimed at enhancing security through robust handling of these exceptional conditions.

Affected Version(s)

Cisco NX-OS Software 8.2(5)

Cisco NX-OS Software 7.3(5)D1(1)

Cisco NX-OS Software 8.4(2)

References

https://sec.cloudapps.cisco.com/security/center/content/C...

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.