VULNERABILITY INTELLIGENCE

CVE-2026-21770

CVSS score6.5 MEDIUM
EPSS probability0.16%
CISA KEVNot currently listed
Published2026-07-17
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • psirt@hcl.com: CWE-427

Primary references