CVE-2026-76498CWE-284broken-access-control

CVE-2026-76498

Critical · published October 7, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
21.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00300 · 21.6th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-10-07T21:17Z
References (1)
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-apic-UOXWtfh · [email protected]
EPSS history
Timeline
  • 09 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 07 OCT 16:17Z
    Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Access Control Vulnerabilities
    cvelistv5