What’s Vulnerable › Vulnerabilities
CVE-2026-21770: HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-17 · updated 2026-10-24
- Weakness: CWE-427
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.
Affected products
- HCLSoftware HCL Traveler for Microsoft Outlook (HTMO): before 3.0.16
References
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