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CVE-2021-23893

Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)

HIGH
7.8
CVSS Score
Published: October 1, 2021 at 09:25 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorDrive Encryption

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%

Description

Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Drive Encryption· McAfee
95%
v < 7.3.0v < 7.3.0 HF17.3.0
Affected range stops below 7.3.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3.0 HF1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRM
Source: [email protected]
https://kc.mcafee.com/corporate/index?page=content&id=SB10361

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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