CVE-2026-21770

MediumCVSS 6.5

Published: 17/07/2026(UTC)Updated: 17/07/2026(UTC)Translated: 18/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.11%

2th percentile - higher than 2% of all known CVEs

Summary

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.

Risk Assessment

The risk is that an attacker could execute malicious code in the context of the HTMO application, potentially leading to data theft, privilege escalation, or system compromise.

Recommendation

It is recommended to immediately update HCL Traveler for Microsoft Outlook to the latest version that includes a fix for this vulnerability.

Other vulnerabilities in HCL Traveler for Microsoft Outlook

CVE-2025-59868Medium
A vulnerability in HCL Traveler for Microsoft Outlook (HTMO) allows unauthorized access to sensitive application data, which could be exploited by an attacker to launch further attacks and cause unexpected application behavior.

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS