CVE-2026-76464: critical vulnerability in Cisco Campus Gateway Software
Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities
Published
25Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.6
exploitation probability
—
observed exploitation
nono source reports it
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 this CVE-2026-76464 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
Cisco · Cisco Campus Gateway SoftwareCisco · Cisco Meraki MR Wireless Access Points SoftwareCisco · Cisco Meraki MV FirmwareCisco · Cisco Meraki MX FirmwareRelated CVEs — Cisco Campus Gateway Software
In the same product, most dangerous first.
CVE-2026-76472HIGHCisco Meraki Security Hardening Release October 2026 - Improper Neutralization of Special Elements VulnerabilitiesEPSS —CVE-2026-76467HIGHCisco Meraki Software Hardening Release - Resource Lifetime Management VulnerabilitiesEPSS —CVE-2026-76470HIGHCisco Meraki Hardening Release - Incorrect Calculation VulnerabilitiesEPSS —CVE-2026-76469HIGHCisco Meraki Security Hardening Release: October 2026 Insufficient Control Flow Management VulnerabilitiesEPSS —CVE-2026-76468HIGHCisco Meraki Hardening Release - Input Validation VulnerabilitiesEPSS —CVE-2026-76463HIGHCisco Meraki Security Hardening Release: October 2026 - Improper Access Control VulnerabilitiesEPSS —