CVE-2016-20091
HIGH EPSS 1.7%
Published Jun 19, 20261w ago · Modified Jun 22, 20261w ago
8.5 CVSS 4.0
Published Jun 19, 2026 1w ago
Last Modified Jun 22, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
1.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-428
References 3
- binisoft.org http://www.binisoft.org
- exploit-db.com https://www.exploit-db.com/exploits/40443
- vulncheck.com https://www.vulncheck.com/advisories/windows-firewall-control-unquoted-service-path-privilege-escalation
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.