CVE-2026-21770

MediumCVSS 6.5/10Last modified Oct 24, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-427

Affected software

Vendor	Product	Versions
HCLSoftware	HCL Traveler for Microsoft Outlook (HTMO)	< 3.0.16

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130919

Timeline

Published: Jul 17, 2026
Last modified: Oct 24, 2026
NVD status: Deferred

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