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Vulnerabilities

Vulnerability · CVE-2026-107171

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

Published Oct 14, 2026 · catalog updated Oct 15, 2026 · An Hardcoded Cryptographic Key

Check if you run it

No confirmed exploitation is on record for CVE-2026-107171. EPSS is 0.12%. Act only if a listed version of An Hardcoded Cryptographic Key is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (An Hardcoded Cryptographic Key).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.12%
Remediation
Not established
Affected products
See sources for product scope

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

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-107171

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-107171. EPSS is 0.12%. Act only if a listed version of An Hardcoded Cryptographic Key is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-321. EPSS 0.12%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · NIST NVD

    Detected

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

  2. Oct 14, 2026 · NIST NVD

    Updated

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

  3. Oct 15, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-107171

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-107171

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-107171

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.