CVE-2026-107171 - Vulnerability Details - OpenCVE

Description

An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.

Published: 2026-10-14

Score: 6.9 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Trellix

Trellix Agent

unaffected

Version	Status	Constraints
`5.8.4`	affected	—

No data.

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

No advisories yet.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00122.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.trellix.com/s/article/000015866

History

Wed, 14 Oct 2026 07:30:00 +0000

Type	Values Removed	Values Added
Description		An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.
Weaknesses		CWE-321
References		https://support.trellix.com/s/article/000015866
Metrics		cvssV4_0 `{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: trellix

Published: 2026-10-14T07:11:09.227Z

Updated: 2026-10-14T07:11:09.227Z

Reserved: 2026-10-07T11:57:02.729Z

Link: CVE-2026-107171

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-14T08:17:04.100

Modified: 2026-10-14T08:17:04.100

Link: CVE-2026-107171

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-321
Use of Hard-coded Cryptographic Key

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