Review reviewHigh

CVE-2024-23581

HCLSoftware Traveler for Microsoft Outlook, traveler for microsoft outlook

The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application.

CVSS
7.8
EPSS
0.07%
0.03% percentile
CISA KEV
Not listed
Published
2026.06.27
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.07%
Technical severityCVSS 7.8

Vulnerability overview

The HCL Traveler for Microsoft Outlook libraries are being flagged as potentially malicious software or an unrecognized application.

Affected product and versions

Product
HCLSoftware Traveler for Microsoft Outlook, traveler for microsoft outlook
Affected versions
< 3.0.9
Fixed versions
3.0.9

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that HCLSoftware Traveler for Microsoft Outlook, traveler for microsoft outlook and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-347