{"id":"CVE-2026-84420","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-84420","generatedAt":"2026-10-28T00:57:01.705Z","title":"Out-of-bounds read vulnerability in Citirx Citrix Workspace app for Windows.","description":"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.","published":"2026-10-13T22:18:59.000Z","lastModified":"2026-10-14T19:17:22.000Z","status":"Awaiting Analysis","sourceIdentifier":"secure@citrix.com","cvss":{"version":"4.0","score":5.8,"severity":"MEDIUM","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":{"score":0.00113,"percentile":0.01405,"date":"2026-10-26","history":[{"date":"2026-10-14","score":0.00092,"percentile":0.00497}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T22:18:59.000Z","detail":{"score":"5.8","severity":"MEDIUM","publishedAt":"2026-10-13T22:18:58.800Z"},"summary":"New CVE, medium severity (CVSS 5.8)."}],"references":[{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697181","source":"secure@citrix.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-84420","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}