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CVE-2024-23581

HCL Traveler for Microsoft Outlook (HTMO) is susceptible to an application modification vulnerability

HIGH
7.8
CVSS Score
Published: June 26, 2026 at 08:39 PM UTC
Updated: October 2, 2026 at 12:10 AM UTC
1 product affected across 1 vendorTraveler for Microsoft Outlook

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Traveler for Microsoft Outlook· Hcltech
95%
v < 3.0.9
Affected range stops below 3.0.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131417

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1104CWE-347

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