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TI-2019-02679 Aliases CVE-2019-3636GHSA-fcqr-w4fr-6f6x

File masquerade attack vulnerability in McAfee Total Protection

Priority LOW 33CWE-312Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.

Summary

A File Masquerade vulnerability in McAfee Total Protection (MTP) version 16.0.R21 and earlier in Windows client allowed an attacker to read the plaintext list of AV-Scan exclusion files from the Windows registry, and to possibly replace excluded files with potential malware without being detected.

Why it matters now

EPSS 0.00225 13th percentileScored 2026-11-07
Fix Fixed McAfee Total Protection (McAfee, LCC): 16.0.R22

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
McAfee, LCCMcAfee Total Protection16 to before 16.0.R2216.0.R22Patch availableCNA
  • McAfee Total Protection VendorMcAfee, LCC Affected 16 to before 16.0.R22 Fixed in 16.0.R22 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mcafee:total_protection:*:*:*:*:*:*:*:*up to 16.0.r21VulnerableMcAfee
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:mcafee:total_protection:*:*:*:*:*:*:*:* Versions up to 16.0.r21 Vulnerable ·McAfee
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA McAfee Total Protection (McAfee, LCC) Fixed in 16.0.R22

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3636
  2. 2026-10-03 Alias added: GHSA-fcqr-w4fr-6f6x

References

  • 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