CVE-2026-76470

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-2026-76470 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

No configuration.

History

07 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-07 17:17

Updated : 2026-10-08 20:08

NVD link : CVE-2026-76470

Mitre link : CVE-2026-76470

CVE.ORG link : CVE-2026-76470

JSON object : View

Products Affected

No product.

CWE

CWE-682

Incorrect Calculation

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"CG 33.1.3"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MR Wireless Access Points Software", "versions": [{"status": "affected", "version": "MR 33.1.2"}, {"status": "affected", "version": "MR 30.6"}, {"status": "affected", "version": "MR 32.1.7"}, {"status": "affected", "version": "MR 32.2.3"}, {"status": "affected", "version": "MR 32.2.4"}, {"status": "affected", "version": "MR 33.1.1"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MV Firmware", "versions": [{"status": "affected", "version": "4.20"}, {"status": "affected", "version": "5.0"}, {"status": "affected", "version": "5.1"}, {"status": "affected", "version": "5.2"}, {"status": "affected", "version": "5.3"}, {"status": "affected", "version": "5.4"}, {"status": "affected", "version": "5.4.1"}, {"status": "affected", "version": "5.5"}, {"status": "affected", "version": "5.5.1"}, {"status": "affected", "version": "5.6"}, {"status": "affected", "version": "5.6.1"}, {"status": "affected", "version": "6.0"}, {"status": "affected", "version": "6.0.1"}, {"status": "affected", "version": "5.6.2"}, {"status": "affected", "version": "6.0.2"}, {"status": "affected", "version": "6.1"}, {"status": "affected", "version": "6.1.1"}, {"status": "affected", "version": "6.1.2"}, {"status": "affected", "version": "6.2"}, {"status": "affected", "version": "6.2.1"}, {"status": "affected", "version": "6.2.2"}, {"status": "affected", "version": "6.3"}, {"status": "affected", "version": "6.3.2"}, {"status": "affected", "version": "2.0"}, {"status": "affected", "version": "2.1"}, {"status": "affected", "version": "2.2"}, {"status": "affected", "version": "3.0"}, {"status": "affected", "version": "3.1"}, {"status": "affected", "version": "3.2"}, {"status": "affected", "version": "3.3"}, {"status": "affected", "version": "3.4"}, {"status": "affected", "version": "3.5"}, {"status": "affected", "version": "3.6"}, {"status": "affected", "version": "3.7"}, {"status": "affected", "version": "3.8"}, {"status": "affected", "version": "3.9"}, {"status": "affected", "version": "3.10"}, {"status": "affected", "version": "3.11"}, {"status": "affected", "version": "3.12"}, {"status": "affected", "version": "3.13"}, {"status": "affected", "version": "3.14"}, {"status": "affected", "version": "3.15"}, {"status": "affected", "version": "3.16"}, {"status": "affected", "version": "3.17"}, {"status": "affected", "version": "3.18"}, {"status": "affected", "version": "3.19"}, {"status": "affected", "version": "3.20"}, {"status": "affected", "version": "3.21"}, {"status": "affected", "version": "3.22"}, {"status": "affected", "version": "3.23"}, {"status": "affected", "version": "3.24"}, {"status": "affected", "version": "3.25"}, {"status": "affected", "version": "3.26"}, {"status": "affected", "version": "3.27"}, {"status": "affected", "version": "3.28"}, {"status": "affected", "version": "3.29"}, {"status": "affected", "version": "3.30"}, {"status": "affected", "version": "3.31"}, {"status": "affected", "version": "3.32"}, {"status": "affected", "version": "3.33"}, {"status": "affected", "version": "3.34"}, {"status": "affected", "version": "3.35"}, {"status": "affected", "version": "3.36"}, {"status": "affected", "version": "4.0"}, {"status": "affected", "version": "4.1"}, {"status": "affected", "version": "4.2"}, {"status": "affected", "version": "4.3"}, {"status": "affected", "version": "4.4"}, {"status": "affected", "version": "4.5"}, {"status": "affected", "version": "4.6"}, {"status": "affected", "version": "4.7"}, {"status": "affected", "version": "4.8"}, {"status": "affected", "version": "4.9"}, {"status": "affected", "version": "4.10"}, {"status": "affected", "version": "4.11"}, {"status": "affected", "version": "4.12"}, {"status": "affected", "version": "4.13"}, {"status": "affected", "version": "4.14"}, {"status": "affected", "version": "4.15"}, {"status": "affected", "version": "4.16"}, {"status": "affected", "version": "4.17"}, {"status": "affected", "version": "4.18"}, {"status": "affected", "version": "4.18.1"}, {"status": "affected", "version": "4.19"}, {"status": "affected", "version": "MV 7.3"}, {"status": "affected", "version": "MV 7.3.1"}, {"status": "affected", "version": "MV 7.3.2"}, {"status": "affected", "version": "MV 7.2.1"}, {"status": "affected", "version": "MV 7.2.2"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MX Firmware", "versions": [{"status": "affected", "version": "16.2"}, {"status": "affected", "version": "16.3"}, {"status": "affected", "version": "16.4"}, {"status": "affected", "version": "16.5"}, {"status": "affected", "version": "16.6"}, {"status": "affected", "version": "17.3"}, {"status": "affected", "version": "17.6"}, {"status": "affected", "version": "17.7"}, {"status": "affected", "version": "17.8"}, {"status": "affected", "version": "17.9"}, {"status": "affected", "version": "17.10"}, {"status": "affected", "version": "18.1"}, {"status": "affected", "version": "18.2"}, {"status": "affected", "version": "19.1"}, {"status": "affected", "version": "MX 18.211.2"}, {"status": "affected", "version": "MX 26.2.1"}, {"status": "affected", "version": "MX 19.2.8"}, {"status": "affected", "version": "MX 26.2.2"}, {"status": "affected", "version": "MX 26.1.4"}, {"status": "affected", "version": "MX 26.1.5"}, {"status": "affected", "version": "MX 26.1.6"}], "defaultStatus": "unknown"}]}], "published": "2026-10-07T17:17:00.043", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-meraki-os-drbEX9GH", "source": "psirt@cisco.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-682"}]}], "descriptions": [{"lang": "en", "value": "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.\r\n\r\nThe vulnerabilities tracked by CVE-2026-76470 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682."}], "lastModified": "2026-10-08T20:08:45.857", "sourceIdentifier": "psirt@cisco.com"}