CVE-2026-76498

critical

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC) engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76498 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

References

https://www.securityweek.com/cisco-patches-a-dozen-critical-vulnerabilities/

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-apic-UOXWtfh

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94472

Details

Source: Mitre, NVD

Published: 2026-10-07

Updated: 2026-10-08

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.003