What’s Vulnerable › Vulnerabilities
CVE-2024-42191: HCL Traveler for Microsoft Outlook (HTMO) is susceptible to COM hijacking
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-30 · updated 2026-06-17
- Weakness: CWE-427
Description
HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a COM hijacking vulnerability which could allow an attacker to modify or replace the application with malicious content.
Affected products
- HCLSoftware Traveler for Microsoft Outlook: before 3.0.12 — fixed in 3.0.12
How to fix
Upgrade to a fixed version: HCLSoftware Traveler for Microsoft Outlook 3.0.12. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2024-42191 or the next vulnerability affects your stack