CVE-2026-76467 Cisco CVE debrief

Who should care

Defenders responsible for Cisco Meraki and Campus Gateway Software products should assess exposure, prioritize remediation, and verify affected versions and vendor remediation. This includes reviewing the vulnerability's impact on their specific environments, identifying potential security risks, and taking appropriate measures to mitigate them.

Why it matters

CVE-2026-76467 is a high-severity vulnerability affecting various Cisco Meraki and Campus Gateway Software products. Defenders should assess exposure, prioritize remediation, and verify affected versions and vendor remediation.

• Verify affected versions of Cisco Meraki and Campus Gateway Software products
• Prioritize remediation of vulnerable products
• Assess exposure and potential defensive consequences

Technical summary

CVE-2026-76467 is related to issues concerning improper control of a resource through its lifetime, grouped under CWE-664. The vulnerability affects various Cisco Meraki and Campus Gateway Software products, including Cisco Meraki MR Wireless Access Points Software, Cisco Meraki MV Firmware, and Cisco Meraki MX Firmware. Affected products may be exposed to potential security risks due to improper resource management. Defenders should assess the vulnerability's impact on their specific environments and prioritize remediation accordingly.

Defensive priority

High

Recommended defensive actions

• Assess exposure of Cisco Meraki and Campus Gateway Software products
• Prioritize remediation of affected versions
• Verify vendor-provided remediation and affected versions
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability and affected products. However, specific exploitation, impact, and remediation details are limited. Defenders should verify affected versions of Cisco Meraki and Campus Gateway Software products, assess exposure, and prioritize remediation based on the provided information. Additional details may be found in Cisco's official security advisory.

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.