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TI-2021-11834 Aliases CVE-2021-31840GHSA-8r98-33h6-f6hq

DLL preload vulnerability in McAfee Agent for Windows

Priority LOW 32CWE-427Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
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

A vulnerability in the preloading mechanism of specific dynamic link libraries in McAfee Agent for Windows prior to 5.7.3 could allow an authenticated, local attacker to perform a DLL preloading attack with unsigned DLLs. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. This would result in the user gaining elevated permissions and being able to execute arbitrary code.

Why it matters now

EPSS 0.00348 28th percentileScored 2026-11-07
Fix Fixed McAfee Agent for Windows (McAfee,LLC): 5.7.3

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeMcAfee Agent for Windowsbefore 5.7.35.7.3Patch availableCNA
  • McAfee Agent for Windows VendorMcAfee Affected before 5.7.3 Fixed in 5.7.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:*5.0.0 to before 5.7.3VulnerableMcAfee
  • cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:* Versions 5.0.0 to before 5.7.3 Vulnerable ·McAfee

Remediation

  • Fix · CNA McAfee Agent for Windows (McAfee,LLC) Fixed in 5.7.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    McAfee,LLC McAfee Agent for Windows 5.7.3

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-11833 Incorrect permissions on McAfee Agent for Windows event folderPriority LOW 21
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31840
  2. 2026-10-03 Alias added: GHSA-8r98-33h6-f6hq

References

Other 1

  • TI-2020-05918 Privilege Escalation vulnerability in McAfee DXL for Mac CVSS 3.1HIGH 8.2
  • TI-2021-11835 DLL side loading vulnerability in MA for Windows CVSS 3.1HIGH 8.2
  • TI-2020-05917 DLL Search Order Hijacking in MA for Windows CVSS 3.1HIGH 7.8
  • TI-2020-05916 Privilege Escalation vulnerability in MA for Windows CVSS 3.1HIGH 7.8
  • TI-2021-11830 Improper Privilege Management in MA for Windows CVSS 3.1HIGH 7.1
  • TI-2017-02991 Improper input validation in Intel McAfee Agent CVSS 3.0MEDIUM 5.9
See all 9 →

Sources

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