Read the docs
TI-2026-73842 Aliases CVE-2026-107171GHSA-v3wh-x9p9-rcrq

Hardcoded key in Trellix Agent lets users decrypt its database

Priority LOW 29CWE-321Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.

Summary

Trellix Agent 5.8.4 contains a hardcoded cryptographic key in mfecryptc.dll (CWE-321). A local user with low privileges can use this key to decrypt the agent database.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00126 2nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TrellixTrellix Agent5.8.4—No fix listedCNA
  • Trellix Agent VendorTrellix Affected 5.8.4 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:trellix:agent:*:*:*:*:*:*:*:*——Trellix
  • cpe:2.3:a:trellix:agent:*:*:*:*:*:*:*:* Versions — — ·Trellix

Remediation

The sources list no fixed version for Trellix Agent.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-107171
  2. 2026-10-14 Alias added: GHSA-v3wh-x9p9-rcrq
  3. 2026-10-14 CISA SSVC decision points changed
  4. 2026-10-14 Priority changed: MEDIUM → LOW

References

Other 1

  • TI-2024-10633 OS command injection in Trellix Enterprise Security Manager CVSS 3.1CRITICAL 9.8
  • TI-2024-05266 Deserialization of untrusted data in Trellix Intrusion Prevention System Manager CVSS 3.1CRITICAL 9.8
  • TI-2024-10632 Path traversal in Trellix Enterprise Security Manager CVSS 3.1HIGH 8.2
  • TI-2023-05589 Command injection in Trellix ESM CVSS 3.1HIGH 8.4
  • TI-2023-03101 OS command injection in Trellix Enterprise Security Manager CVSS 3.1HIGH 8.8
  • TI-2023-05161 Path traversal in Trellix Application and Change Control CVSS 3.1HIGH 8.4
See all 58 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences