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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.

Medium CVSS 6.5
CVECVE-2026-21770
First seen2026-07-17 08:15 UTC
Disclosed2026-07-17 05:16 UTC
Last updated2026-07-17 08:15 UTC
Channel statusauto

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Lint boundary warnings (1)

The following non-blocking warnings were raised during the lint phase of this triage (e.g. reference URLs not yet on the allowlist). They do not affect entry usability and are disclosed for transparency (see DR-002).

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130919

Sources

  • NVD DATABASE

Original Links

Timeline

  1. nvd_ingest NVD