CVE-2026-21770CWE-427
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking
Medium · published July 17, 2026
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