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CVE-2018-6686

Drive Encryption (MDE) - Authentication Bypass vulnerability

Description

Authentication Bypass vulnerability in TPM autoboot in McAfee Drive Encryption (MDE) 7.1.0 and above allows physically proximate attackers to bypass local security protection via specific set of circumstances.

Timeline

  1. ID reserved

    By trellix

  2. · 6 months later

    Published

  3. · 6 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2018-6686, by who scored it
Scored byCVSSScoreVector
trellixCNA (assigner)3.0High7.0CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
NVDNVD · Modified3.1Medium6.6CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.24% · top 85% of all CVEs (9 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.

Affected products

  • McAfee · Drive Encryption (MDE)

    • affected 7.1.0 – < 7.1.0*
    • affected 7.1.3.634 – < 7.1.3.634
    • affected 7.2.0 – < 7.2.0*
    • affected 7.2.6 – < 7.2.6

References

1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .