Description
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-76463 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Published: 2026-10-07
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: Unauthorized Access
Action: Immediate Patch
AI Analysis

Impact

The vulnerability in CVE-2026-76463 is an improper access control flaw (CWE-284) affecting Cisco Meraki products. It allows attackers who reach the device to bypass normal protection mechanisms and gain unauthorized access to resources or management interfaces that should be restricted to privileged users.

Affected Systems

Affected are Cisco Meraki products including Cisco Campus Gateway Software, Meraki MR Wireless Access Points Software, Meraki MV Firmware, and Meraki MX Firmware. The advisory does not list specific firmware or software releases, so all current builds of these products should be considered vulnerable until updated.

Risk and Exploitability

The CVSS score of 8.8 indicates a high severity of the flaw. An EPSS score is not available, and the vulnerability is not listed in the CISA KEV catalog, suggesting that it has not yet been widely exploited. The likely attack vector is remote exploitation via network management or control interfaces, potentially from an untrusted source. Consequently, the risk is significant and warrants immediate remediation.

Generated by OpenCVE AI on October 7, 2026 at 19:11 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Deploy the Cisco Meraki Security Hardening Release from October 2026 on all affected devices.
  • Restrict management and control interfaces to trusted IP ranges or implement ACLs to limit external access.
  • Enforce role-based access controls on the device management interface.

Generated by OpenCVE AI on October 7, 2026 at 19:11 UTC.

Tracking

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Advisories

No advisories yet.

History

Wed, 07 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 07 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76463 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) CWE-284.
Title Cisco Meraki Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-10-07T19:23:46.532Z

Reserved: 2026-08-19T12:02:03.637Z

Link: CVE-2026-76463

cve-icon Vulnrichment

Updated: 2026-10-07T19:18:46.559Z

cve-icon NVD

Status : Received

Published: 2026-10-07T17:16:58.833

Modified: 2026-10-07T20:17:13.427

Link: CVE-2026-76463

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T19:15:14Z

Weaknesses