CVE-2026-76302 Cisco - Security Bypass

Cisco products contain an improper neutralization vulnerability (CWE-707) caused by insufficient input sanitization, letting attackers potentially bypass security controls, exploit requires unspecified conditions.

CVSS base score 9.9 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Security Bypass
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
21 October 2026
Updated
23 October 2026
Weakness
CWE-707

Vendor fix

Update to the latest Cisco 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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