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CVE-2026-76470

Cisco Meraki Hardening Release - Incorrect Calculation Vulnerabilities

HIGH

8.8

CVSS Score

Published: October 7, 2026 at 04:19 PM UTC

Updated: October 16, 2026 at 03:14 AM UTC

4 products affected across 1 vendorMeraki MxCisco Meraki Mv FirmwareCisco Campus Gateway Software

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Severity

HIGH8.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cisco Campus Gateway Software · Cisco

90%

Cisco Meraki Mr Wireless Access Points Software · Cisco

90%

MR 30.6 MR 32.1.7 MR 32.2.3 MR 32.2.4 MR 33.1.1 MR 33.1.2

Meraki Mx · Cisco

90%

16.216.316.416.516.617.10 17.3 17.6 17.7 17.8 17.9 18.1 18.2 19.1 MX 18.211.2 MX 19.2.8 MX 26.1.4 MX 26.1.5 MX 26.1.6 MX 26.2.1 MX 26.2.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHcisco

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusAWAITING ANALYSIS

CWE

CWE-682

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