CVE-2026-21770CWE-427

HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking

Medium · published July 17, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
5.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00163 · 5.2th percentile
Weakness
CWE-427 · Uncontrolled Search Path Element
Published
2026-07-17T04:42Z
EPSS history
Timeline
  • 17 JUL 04:42Z
    HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking
    cvelistv5