Cisco Meraki Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities
Summary
| CVE | CVE-2026-76463 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-07 17:16:58 UTC |
| Updated | 2026-10-07 20:17:13 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
Problem Types: CWE-284 | CWE-284 Improper Access Control
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L |
| 3.1 | CNA | CVSSV3_1 | 8.8 | HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L |
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
LowAvailability
LowCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Cisco | Cisco Campus Gateway Software | affected CG 33.1.3 | Not specified |
| CNA | Cisco | Cisco Meraki MR Wireless Access Points Software | affected MR 33.1.2 | Not specified |
| CNA | Cisco | Cisco Meraki MR Wireless Access Points Software | affected MR 30.6 | Not specified |
| CNA | Cisco | Cisco Meraki MR Wireless Access Points Software | affected MR 32.1.7 | Not specified |
| CNA | Cisco | Cisco Meraki MR Wireless Access Points Software | affected MR 32.2.3 | Not specified |
| CNA | Cisco | Cisco Meraki MR Wireless Access Points Software | affected MR 32.2.4 | Not specified |
| CNA | Cisco | Cisco Meraki MR Wireless Access Points Software | affected MR 33.1.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.20 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.0 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.3 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.4 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.4.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.5 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.5.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.6 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.6.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.0 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.0.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 5.6.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.0.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.1.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.1.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.2.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.2.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.3 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 6.3.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 2.0 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 2.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 2.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.0 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.3 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.4 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.5 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.6 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.7 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.8 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.9 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.10 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.11 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.12 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.13 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.14 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.15 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.16 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.17 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.18 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.19 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.20 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.21 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.22 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.23 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.24 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.25 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.26 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.27 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.28 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.29 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.30 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.31 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.32 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.33 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.34 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.35 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 3.36 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.0 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.3 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.4 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.5 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.6 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.7 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.8 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.9 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.10 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.11 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.12 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.13 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.14 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.15 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.16 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.17 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.18 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.18.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected 4.19 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected MV 7.3 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected MV 7.3.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected MV 7.3.2 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected MV 7.2.1 | Not specified |
| CNA | Cisco | Cisco Meraki MV Firmware | affected MV 7.2.2 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 16.2 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 16.3 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 16.4 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 16.5 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 16.6 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 17.3 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 17.6 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 17.7 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 17.8 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 17.9 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 17.10 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 18.1 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 18.2 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected 19.1 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected MX 18.211.2 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected MX 26.2.1 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected MX 19.2.8 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected MX 26.2.2 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected MX 26.1.4 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected MX 26.1.5 | Not specified |
| CNA | Cisco | Cisco Meraki MX Firmware | affected MX 26.1.6 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-harden... | [email protected] | sec.cloudapps.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Exploits
CNA: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
There are currently no legacy QID mappings associated with this CVE.