{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59565", "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "state": "PUBLISHED", "assignerShortName": "Zscaler", "dateReserved": "2026-07-06T06:18:59.633Z", "datePublished": "2026-08-24T13:40:23.684Z", "dateUpdated": "2026-08-24T15:18:31.082Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "shortName": "Zscaler", "dateUpdated": "2026-08-24T13:40:23.684Z"}, "title": "Local and kernel denial-of-service", "datePublic": "2026-08-21T09:48:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-229", "description": "CWE-229 Improper handling of values", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "affected": [{"vendor": "Zscaler", "product": "Client Connector", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0", "lessThan": "Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372", "versionType": "custom"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows."}]}], "references": [{"url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-24T15:18:07.595772Z", "id": "CVE-2026-59565", "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": "2026-08-24T15:18:31.082Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-59565", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-24T15:18:07.595772Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-24T15:18:13.699Z"}}], "cna": {"title": "Local and kernel denial-of-service", "source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Zscaler", "product": "Client Connector", "versions": [{"status": "affected", "version": "0", "lessThan": "Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372", "versionType": "custom"}], "platforms": ["Windows"], "defaultStatus": "affected"}], "datePublic": "2026-08-21T09:48:00.000Z", "references": [{"url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"}], "x_generator": {"engine": "Vulnogram 1.0.4"}, "descriptions": [{"lang": "en", "value": "A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows.", "supportingMedia": [{"type": "text/html", "value": "A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-229", "description": "CWE-229 Improper handling of values"}]}], "providerMetadata": {"orgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "shortName": "Zscaler", "dateUpdated": "2026-08-24T13:40:23.684Z"}}}, "cveMetadata": {"cveId": "CVE-2026-59565", "state": "PUBLISHED", "dateUpdated": "2026-08-24T15:18:31.082Z", "dateReserved": "2026-07-06T06:18:59.633Z", "assignerOrgId": "73c6f63b-efac-410d-a0a9-569700f85a04", "datePublished": "2026-08-24T13:40:23.684Z", "assignerShortName": "Zscaler"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "platforms": ["Windows"], "product": "Client Connector", "vendor": "Zscaler", "versions": [{"lessThan": "Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "cve@zscaler.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows."}], "id": "CVE-2026-59565", "lastModified": "2026-08-24T16:17:16.407", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "cve@zscaler.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59565", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-24T15:18:07.595772Z", "version": "2.0.3"}}]}, "published": "2026-08-24T14:16:55.830", "references": [{"source": "cve@zscaler.com", "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026"}], "sourceIdentifier": "cve@zscaler.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-229"}], "source": "cve@zscaler.com", "type": "Secondary"}]}

{}

{}