High severity7.8NVD Advisory· Published Jun 19, 2026· Updated Jun 22, 2026

CVE-2016-20091

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Binisoft/Windows Firewall Controlllm-fuzzy
Range: = 4.8.6.0

Patches

Vulnerability mechanics

References

www.binisoft.orgnvd
www.exploit-db.com/exploits/40443nvd
www.vulncheck.com/advisories/windows-firewall-control-unquoted-service-path-privilege-escalationnvd

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