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Fencer Intel
high 7.0

CVE-2018-6686 json

Drive Encryption (MDE) - Authentication Bypass vulnerability

published 2018-07-27 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18433

cvss
7.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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.

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 7.0 CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
NVD 3.1 6.6 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • McAfee Drive Encryption (MDE)

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.