CVE-2026-76453 Cisco NX-OS - Improper Neutralization

Cisco NX-OS contains improper neutralization vulnerabilities (CWE-707) discovered internally, letting attackers potentially exploit these issues, exploit requires unspecified conditions.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Improper Neutralization
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-707

Vendor fix

Update to the latest Cisco NX-OS software hardening release.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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