{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-76464", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2026-08-19T12:02:03.637Z", "datePublished": "2026-10-07T16:18:42.243Z", "dateUpdated": "2026-11-07T17:29:44.817Z"}, "containers": {"cna": {"title": "Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities", "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.6, "baseSeverity": "CRITICAL", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}}], "descriptions": [{"lang": "en", "value": "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."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-meraki-os-drbEX9GH", "name": "cisco-sa-hardening-meraki-os-drbEX9GH"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}], "source": {"advisory": "cisco-sa-hardening-meraki-os-drbEX9GH", "discovery": "INTERNAL", "defects": ["CSCww61606"]}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Restriction of Operations within the Bounds of a Memory Buffer", "type": "cwe", "cweId": "CWE-119"}]}], "affected": [{"vendor": "Cisco", "product": "Cisco Campus Gateway Software", "versions": [{"version": "CG 33.1.3", "status": "affected"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MR Wireless Access Points Software", "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"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MV Firmware", "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"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MX Firmware", "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"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-10-16T03:13:48.023Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T18:01:54.754606Z", "id": "CVE-2026-76464", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T18:05:14.042Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-11-07T17:29:44.817Z"}, "descriptions": [{"lang": "en", "value": "The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE's \"one vulnerability, one ID\" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program's blog, \"Preserving Vulnerability-Level Identification\" linked below. Details within the CNA container below are viewable by clicking on the CNA name."}], "tags": ["x_bundling-flagged-by-CVE-Program"], "references": [{"url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"tags": ["x_bundling-flagged-by-CVE-Program"], "references": [{"url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"}], "descriptions": [{"lang": "en", "value": "The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE's \"one vulnerability, one ID\" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program's blog, \"Preserving Vulnerability-Level Identification\" linked below. Details within the CNA container below are viewable by clicking on the CNA name."}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-11-07T17:29:44.817Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-76464", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-07T18:01:54.754606Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T18:01:55.358Z"}}], "cna": {"title": "Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities", "source": {"defects": ["CSCww61606"], "advisory": "cisco-sa-hardening-meraki-os-drbEX9GH", "discovery": "INTERNAL"}, "metrics": [{"format": "cvssV3_1", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Cisco", "product": "Cisco Campus Gateway Software", "versions": [{"status": "affected", "version": "CG 33.1.3"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MR Wireless Access Points Software", "versions": [{"status": "affected", "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"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MV Firmware", "versions": [{"status": "affected", "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"}], "defaultStatus": "unknown"}, {"vendor": "Cisco", "product": "Cisco Meraki MX Firmware", "versions": [{"status": "affected", "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"}], "defaultStatus": "unknown"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-meraki-os-drbEX9GH", "name": "cisco-sa-hardening-meraki-os-drbEX9GH"}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "cweId": "CWE-119", "description": "Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-10-16T03:13:48.023Z"}}}, "cveMetadata": {"cveId": "CVE-2026-76464", "state": "PUBLISHED", "dateUpdated": "2026-11-07T17:29:44.817Z", "dateReserved": "2026-08-19T12:02:03.637Z", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "datePublished": "2026-10-07T16:18:42.243Z", "assignerShortName": "cisco"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Cisco Campus Gateway Software", "vendor": "Cisco", "versions": [{"status": "affected", "version": "CG 33.1.3"}]}, {"defaultStatus": "unknown", "product": "Cisco Meraki MR Wireless Access Points Software", "vendor": "Cisco", "versions": [{"status": "affected", "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"}]}, {"defaultStatus": "unknown", "product": "Cisco Meraki MV Firmware", "vendor": "Cisco", "versions": [{"status": "affected", "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"}]}, {"defaultStatus": "unknown", "product": "Cisco Meraki MX Firmware", "vendor": "Cisco", "versions": [{"status": "affected", "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"}]}], "source": "psirt@cisco.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-76464", "lastModified": "2026-11-07T18:17:24.910", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "source": "psirt@cisco.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76464", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-07T18:01:54.754606Z", "version": "2.0.3"}}]}, "published": "2026-10-07T17:16:59.053", "references": [{"source": "psirt@cisco.com", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-meraki-os-drbEX9GH"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "psirt@cisco.com", "type": "Secondary"}]}

{}