High 8.8Published Oct 7, 2026

CVE-2026-76463Cisco Meraki Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities

Updated under an hour ago (Oct 27, 2026, 7:00 AM ET)

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It affects Cisco Campus Gateway Software and 3 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.14%, higher than 3% of scored CVEs.

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Every CVE for Cisco Campus Gateway Software

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
Weakness (CWE): CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.14% (percentile 3)
Assigned by: cisco
NVD analysis: Awaiting Analysis
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cisco Cisco Campus Gateway Software cisco:campus_gateway_software (from the name)	CG 33.1.3	CNA record
Cisco Cisco Meraki MR Wireless Access Points Software cisco:meraki_mr_wireless_access_points_software (from the name)	MR 33.1.2; MR 30.6; MR 32.1.7; MR 32.2.3; MR 32.2.4; MR 33.1.1	CNA record
Cisco Cisco Meraki MV Firmware cisco:meraki_mv_firmware (from the name)	4.20; 5.0; 5.1; 5.2; 5.3; 5.4; 5.4.1; 5.5; and 81 more ranges	CNA record
Cisco Cisco Meraki MX Firmware cisco:meraki_mx_firmware (from the name)	16.2; 16.3; 16.4; 16.5; 16.6; 17.3; 17.6; 17.7; and 13 more ranges	CNA record

References

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-meraki-os-drbEX9GH

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.