MDE DLL Search Order Hijacking vulnerability
Priority LOW 33CWE-427Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-427.
Summary
DLL Search Order Hijacking Vulnerability in McAfee Drive Encryption (MDE) prior to 7.3.0 HF2 (7.3.0.183) allows local users to execute arbitrary code and escalate privileges via execution from a compromised folder.
Why it matters now
EPSS 0.00198 9th percentileScored 2026-11-07
Fix Fixed McAfee Drive Encryption (MDE) (McAfee,LLC): 7.3.0 HF2
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 HF2 | 7.3.0 HF2 | Patch available | CNA |
- McAfee Drive Encryption (MDE) VendorMcAfee Affected before 7.3.0 HF2 Fixed in 7.3.0 HF2 Patch available CNA
Remediation
- Fix · CNA McAfee Drive Encryption (MDE) (McAfee,LLC) Fixed in 7.3.0 HF2
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31853
- 2026-10-03 Alias added: GHSA-f925-j45v-vqqp
References
More McAfee Drive Encryption vulnerabilities
- TI-2021-06247 Privilege Escalation vulnerability in McAfee Drive Encryption (MDE) CVSS 3.1HIGH 8.8
- TI-2018-04922 Drive Encryption (MDE) - Authentication Bypass vulnerability CVSS 3.1MEDIUM 6.6
Sources
- CVE-2021-31853 · CVE Program
- CVE-2021-31853 · NVD
- FIRST EPSS
- GHSA-f925-j45v-vqqp · GitHub Advisory Database · CC BY 4.0
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