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TI-2018-04922 Aliases CVE-2018-6686GHSA-prcq-gffq-r32v

Drive Encryption (MDE) - Authentication Bypass vulnerability

Priority LOW 29CWE-287Published · Updated

Key facts

Attack vector
Physical
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

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.

Why it matters now

EPSS 0.00242 15th percentileScored 2026-11-07
Fix Fixed Drive Encryption (MDE) (McAfee): 7.1.3.634, 7.2.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeDrive Encryption (MDE)7.1.0 and later; 7.1.3.634 to before 7.1.3.634; 7.2.0 and later; 7.2.6 to before 7.2.67.1.3.634, 7.2.6Patch availableCNA
  • Drive Encryption (MDE) VendorMcAfee Affected 7.1.0 and later; 7.1.3.634 to before 7.1.3.634; 7.2.0 and later; 7.2.6 to before 7.2.6 Fixed in 7.1.3.634, 7.2.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:drive_encryption:*:*:*:*:*:*:*:*7.1.0VulnerableMcAfee
  • cpe:2.3:a:mcafee:drive_encryption:*:*:*:*:*:*:*:* Versions 7.1.0 Vulnerable ·McAfee

Remediation

  • Fix · CNA Drive Encryption (MDE) (McAfee) Fixed in 7.1.3.634, 7.2.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-6686
  2. 2026-10-03 Alias added: GHSA-prcq-gffq-r32v

References

Other 1

  • TI-2021-06247 Privilege Escalation vulnerability in McAfee Drive Encryption (MDE) CVSS 3.1HIGH 8.8
  • TI-2021-11846 MDE DLL Search Order Hijacking vulnerability CVSS 3.1HIGH 7.8

Sources

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