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CVE-2026-21770mediumCWE-427

HCL Traveler for Microsoft Outlook (HTMO) is susceptible to DLL hijacking

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.1%
exploitation probability
0.1%top 98% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H