traveler for microsoft outlook vulnerabilities and fixes

Recent CVEs affecting traveler for microsoft outlook, with upgrade or downgrade steps. 3 tracked.

Also searched as: travelerformicrosoftoutlook.

traveler for microsoft outlook has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-06-27. Highest priority: CVE-2023-37524 (score 37/100).

• CVE-2024-23581 MEDIUM 6.7 UPGRADE The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unr
• CVE-2025-59868 MEDIUM 5.5 UPGRADE HCL Traveler for Microsoft Outlook (HTMO) is susceptible to a sensitive data exposure vulnerability which coul
• CVE-2023-37524 HIGH 7.7 UPGRADE HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being ou

FAQ

How do I fix traveler for microsoft outlook vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is traveler for microsoft outlook being exploited right now?

None of the tracked traveler for microsoft outlook CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which traveler for microsoft outlook CVE should I patch first?

CVE-2023-37524 currently ranks highest (37/100): HCL Traveler for Microsoft Outlook (HTMO) is susceptible to vulnerabilities due to .NET Framework 4.5 being ou.

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