CVE-2026-107171
An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll...
An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.
- Record
CVE-2026-107171- CVSS 4.0
- 6.9 Medium
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 - Weakness
- CWE-321
- Updated
- 2026-11-02
EUVDEUVD-2026-100894
An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.
- Record
EUVD-2026-100894- CVSS 4.0
- 6.9 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v3wh-x9p9-rcrq
An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll...
An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.
- Record
GHSA-v3wh-x9p9-rcrq- CVSS 4.0
- 6.9 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-321
- Updated
- 2026-11-02
NVD
An Hardcoded Cryptographic Key vulnerability existed in Trellix Agent 5.8.4 via mfecryptc.dll leads to Database Decryption by Regular Users.
- Record
CVE-2026-107171- CVSS 4.0
- 6.9 Medium
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-321
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-107171 is a medium vulnerability (CVSS 6.9) in Trellix Agent, published October 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. No source names a fixed version.