{"id":"CVE-2026-59565","title":"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.","summary":"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.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-229"],"published":"2026-08-24","updated":"2026-10-12","sourceUpdated":"2026-10-12T15:10:00.207","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-59565","references":[{"url":"https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026","label":"cve@zscaler.com"}],"tags":["nvd"],"epss":0.00477,"epssPercentile":0.39342,"ingestedAt":"2026-10-12T15:55:08.116Z","slug":"CVE-2026-59565","body":"## Overview\n\nA remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected versions of Zscaler Client Connector on Windows.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}