Cyber Resilience

CVE-2016-20091

HighPublic PoC

Published: 19 June 2026

Published
19 June 2026
Modified
22 June 2026
KEV Added
—
Patch
—
CVSS Score v4 8.5 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
EPSS Score 0.0011 1.7th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2016-20091 is a high-severity Unquoted Search Path or Element (CWE-428) vulnerability in Binisoft (inferred from references). Its CVSS base score is 8.5 (High).

Operationally, ranked at the 1.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

with LocalSystem privileges upon service restart or system reboot.

CWE(s)
CWE-428

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Binisoft
—
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References