{"id":"CVE-2026-21770","aliases":["EUVD-2026-45141","GHSA-7vgx-3mff-rjp8"],"status":"published","title":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking","description":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00163,"percentile":0.05538,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-427"],"published":"2026-07-17T04:42:54Z","modified":"2026-10-24T20:10:00Z","products":[{"vendor":"hcl software","product":"hcl traveler for microsoft outlook (htmo)"},{"vendor":"hclsoftware","product":"hcl traveler for microsoft outlook (htmo)"}],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0130919"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21770"},{"url":"https://github.com/advisories/GHSA-7vgx-3mff-rjp8"}],"sources":{"cve":[{"id":"CVE-2026-21770","title":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking","description":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content.","status":"published","published":"2026-07-17T04:42:54.608Z","modified":"2026-07-17T13:04:14.448Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-45141","description":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content.","status":"published","published":"2026-07-17T04:42:54Z","modified":"2026-07-17T13:04:14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T18:19:50.846094Z"}],"ghsa":[{"id":"GHSA-7vgx-3mff-rjp8","title":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which...","description":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content.","status":"published","published":"2026-07-17T06:31:00Z","modified":"2026-07-17T06:31:00Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T15:09:34.599528Z"}],"nvd":[{"id":"CVE-2026-21770","description":"HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a DLL hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content.","status":"published","published":"2026-07-17T05:16:38.567Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:12:30.250437Z"}]}}