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TI-2021-06231 Aliases CVE-2021-23877GHSA-x476-mfc2-xc3w

McAfee Total Protection (MTP) - Privilege Escalation vulnerability

Priority LOW 34CWE-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 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

Privilege escalation vulnerability in the Windows trial installer of McAfee Total Protection (MTP) prior to 16.0.34_x may allow a local user to run arbitrary code as the admin user by replacing a specific temporary file created during the installation of the trial version of MTP.

Why it matters now

EPSS 0.0037 31st percentileScored 2026-11-07
Fix Fixed McAfee Total Protection (MTP) (McAfee): 16.0.34

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfeeMcAfee Total Protection (MTP)before 16.0.3416.0.34Patch availableCNA
  • McAfee Total Protection (MTP) VendorMcAfee Affected before 16.0.34 Fixed in 16.0.34 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:total_protection:*:*:*:*:free_trial:*:*:*before 16.0.34VulnerableMcAfee
  • cpe:2.3:a:mcafee:total_protection:*:*:*:*:free_trial:*:*:* Versions before 16.0.34 Vulnerable ·McAfee

Remediation

  • Fix · CNA McAfee Total Protection (MTP) (McAfee) Fixed in 16.0.34

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23877
  2. 2026-10-03 Alias added: GHSA-x476-mfc2-xc3w

References

Other 1

  • TI-2021-06229 McAfee Total Protection (MTP) privilege escalation vulnerability KEVCVSS 3.1HIGH 8.2
  • TI-2020-05888 Improper privilege management in McAfee Total Protection CVSS 3.1HIGH 8.8
  • TI-2020-05933 Improper privilege management in McAfee Total Protection Trial CVSS 3.1HIGH 8.8
  • TI-2009-01282 The AV engine before DAT 5600 in McAfee VirusScan, Total Protection, Internet Security… CVSS 2.0HIGH 7.6
  • TI-2022-21485 McAfee Total Protection prior to version 16.0.49 contains an uncontrolled search path… CVSS 3.1HIGH 7.8
  • TI-2020-05903 Total Protection (MTP) - Unexpected behavior violation CVSS 3.1HIGH 8.4
See all 25 →

Sources

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