Windows Firewall Control 4.8.6.0 contains an unquoted service path vulnerability that allows local attackers to escalate privileges by inserting malicious executables in the service path. Attackers can place executable files in unquoted path directories that the wfcs.exe service will execute with LocalSystem privileges upon service restart or system reboot.

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Fixes

Solution

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Workaround

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History

Wed, 15 Jul 2026 02:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows Firewall
CPEs cpe:2.3:a:microsoft:windows_firewall:4.8.6.0:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows Firewall

Wed, 24 Jun 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Malwarebytes
Malwarebytes binisoft Windows Firewall Control
Vendors & Products Malwarebytes
Malwarebytes binisoft Windows Firewall Control

Mon, 22 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 19 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
Description Windows Firewall Control 4.8.6.0 contains an unquoted service path vulnerability that allows local attackers to escalate privileges by inserting malicious executables in the service path. Attackers can place executable files in unquoted path directories that the wfcs.exe service will execute with LocalSystem privileges upon service restart or system reboot.
Title Windows Firewall Control 4.8.6.0 Unquoted Service Path Privilege Escalation
Weaknesses CWE-428
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-07-15T01:23:23.491Z

Reserved: 2026-06-19T13:22:11.242Z

Link: CVE-2016-20091

cve-icon Vulnrichment

Updated: 2026-06-22T14:25:45.484Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-24T20:30:04Z

Weaknesses