Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)
Priority LOW 37CWE-269Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
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.
Why it matters now
EPSS 0.00149 4th percentileScored 2026-11-07
Fix Fixed McAfee Drive Encryption (MDE) (McAfee,LLC): 7.3.0 HF1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| McAfee | McAfee Drive Encryption (MDE) | before 7.3.0 HF1 | 7.3.0 HF1 | Patch available | CNA |
- McAfee Drive Encryption (MDE) VendorMcAfee Affected before 7.3.0 HF1 Fixed in 7.3.0 HF1 Patch available CNA
Remediation
- Fix · CNA McAfee Drive Encryption (MDE) (McAfee,LLC) Fixed in 7.3.0 HF1
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23893
- 2026-10-03 Alias added: GHSA-67v5-xf35-5v2f
References
More McAfee Drive Encryption vulnerabilities
- TI-2021-11846 MDE DLL Search Order Hijacking vulnerability CVSS 3.1HIGH 7.8
- TI-2018-04922 Drive Encryption (MDE) - Authentication Bypass vulnerability CVSS 3.1MEDIUM 6.6
Sources
- CVE-2021-23893 · CVE Program
- CVE-2021-23893 · NVD
- FIRST EPSS
- GHSA-67v5-xf35-5v2f · GitHub Advisory Database · CC BY 4.0
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