CVE-2026-76469 Cisco CVE debrief

Who should care

Defenders managing Cisco Meraki and Campus Gateway Software deployments should assess exposure and verify the need for security updates. This includes operators, platform administrators, vulnerability management teams, and security teams who need to review and apply security updates from Cisco.

Why it matters

CVE-2026-76469 is a HIGH severity vulnerability affecting multiple Cisco products. Defenders should prioritize verifying exposure and applying security updates.

• Verify exposure in Cisco Meraki MR Wireless Access Points Software, Cisco Meraki MV Firmware, and Cisco Meraki MX Firmware deployments
• Assess the need for security updates in Cisco Campus Gateway Software

Technical summary

CVE-2026-76469 addresses insufficient control flow management vulnerabilities in Cisco Meraki and Campus Gateway Software products. Affected products include Cisco Meraki MR Wireless Access Points Software, Cisco Meraki MV Firmware, Cisco Meraki MX Firmware, and Cisco Campus Gateway Software. The vulnerabilities are related to insufficient control flow management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-691. Defenders should prioritize verifying exposure in their Cisco Meraki and Campus Gateway Software deployments and assess the need for security updates.

Defensive priority

Defenders should prioritize verifying exposure in their Cisco Meraki and Campus Gateway Software deployments and assess the need for security updates.

Recommended defensive actions

• Verify Cisco Meraki MR Wireless Access Points Software, Cisco Meraki MV Firmware, and Cisco Meraki MX Firmware versions for exposure
• Check Cisco Campus Gateway Software for potential updates
• Review and apply security updates from Cisco
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and Cisco's security advisory provide details on the vulnerabilities and affected products. However, specific details on exploitation are not provided. The Cisco security advisory provides additional information on the vulnerabilities and affected products, but does not provide specific details on exploitation. Defenders should review the advisory and CVE record for more information.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.