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CVE-2016-20091

Windows Firewall Control 4.8.6.0 Unquoted Service Path Privilege Escalation

High8.5EPSS 0.17%
Published
Updated
Reserved
Assigned by
VulnCheck

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.

Scores

CVSS scores of CVE-2016-20091, by who scored it
Scored byCVSSScoreVector
VulnCheckCNA (assigner)4.0High8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
VulnCheckCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Deferred4.0High8.5CVSS: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 (exploitation in 30 days)
0.17% · top 94% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: no · Technical impact: total

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.5.

Weakness

Affected products

  • Binisoft · Windows Firewall Control

    • affected 4.8.6.0

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .