{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-76464", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-76464", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-10-07T16:18:42.243Z", "updatedAt": "2026-10-16T03:13:48.023Z", "importedAt": "2026-10-24T01:58:30.346Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities", "summary": "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 this CVE-2026-76464 are related to buffer management issues that are grouped under the Common Weakness Enumeration (CWE) CWE-119.", "affected": [ { "vendor": "Cisco", "product": "Cisco Campus Gateway Software", "defaultStatus": "unknown", "versions": [ { "version": "CG 33.1.3", "status": "affected" } ] }, { "vendor": "Cisco", "product": "Cisco Meraki MR Wireless Access Points Software", "defaultStatus": "unknown", "versions": [ { "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", "status": "affected" } ] }, { "vendor": "Cisco", "product": "Cisco Meraki MV Firmware", "defaultStatus": "unknown", "versions": [ { "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", "status": "affected" } ] }, { "vendor": "Cisco", "product": "Cisco Meraki MX Firmware", "defaultStatus": "unknown", "versions": [ { "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", "status": "affected" } ] } ] } } }