{"id":"CVE-2026-84420","title":"Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.20 CR, before LTSR 2607, and before LTSR 2507 CU3.","summary":"Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.20 CR, before LTSR 2607, and before LTSR 2507 CU3.","severity":"medium","cwe":["CWE-125"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T19:17:21.930","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84420","references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181","label":"secure@citrix.com"}],"tags":["nvd","cve.org"],"epss":0.00113,"epssPercentile":0.01403,"ingestedAt":"2026-10-13T23:03:54.750Z","vendor":"Citirx","product":"Citrix Workspace app for Windows","affected":["citrix_workspace_app_for_windows < 2603.20 CR","citrix_workspace_app_for_windows < LTSR 2607","citrix_workspace_app_for_windows < LTSR 2507 CU3"],"cvss":5.8,"cvssVector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T18:26:33.901287Z"},"cvssSource":"cna","slug":"CVE-2026-84420","body":"## Overview\n\nOut-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.\n\nThis issue affects Citrix Workspace app for Windows: before 2603.20 CR, before LTSR 2607, and before LTSR 2507 CU3.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":31.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":221813,"id":"CVE-2026-84420","ts":1792035831259,"field":"cvss","old":null,"new":"5.8"},{"seq":221812,"id":"CVE-2026-84420","ts":1792035831259,"field":"severity","old":"none","new":"medium"}]}