{"id":"CVE-2016-20091","state":"PUBLISHED","title":"Windows Firewall Control 4.8.6.0 Unquoted Service Path Privilege Escalation","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.","publishedAt":"2026-06-19T14:16:45.179Z","updatedAt":"2026-07-15T01:23:23.491Z","severity":{"score":8.5,"label":"High","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["Binisoft Windows Firewall Control"],"affected":[{"vendor":"Binisoft","product":"Windows Firewall Control","versions":[{"version":"4.8.6.0","status":"affected"}]}],"references":["https://www.exploit-db.com/exploits/40443","http://www.binisoft.org","https://www.vulncheck.com/advisories/windows-firewall-control-unquoted-service-path-privilege-escalation"],"weaknesses":["CWE-428"],"ingestedAt":"2026-10-29T19:42:36.310Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2016/20xxx/CVE-2016-20091.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2016-20091","state":"PUBLISHED","datePublished":"2026-06-19T14:16:45.179Z","dateUpdated":"2026-07-15T01:23:23.491Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-06-19T13:22:11.242Z"},"containers":{"cna":{"title":"Windows Firewall Control 4.8.6.0 Unquoted Service Path Privilege Escalation","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Binisoft","product":"Windows Firewall Control","versions":[{"version":"4.8.6.0","status":"affected"}]}],"references":[{"url":"https://www.exploit-db.com/exploits/40443","name":"ExploitDB-40443","tags":["exploit"]},{"url":"http://www.binisoft.org","name":"Official Product Homepage","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/windows-firewall-control-unquoted-service-path-privilege-escalation","name":"VulnCheck Advisory: Windows Firewall Control 4.8.6.0 Unquoted Service Path Privilege Escalation","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.5,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-428","lang":"en","description":"Unquoted Search Path or Element","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-07-15T01:23:23.491Z"},"datePublic":"2016-09-24T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:windows_firewall:4.8.6.0:*:*:*:*:*:*:*"}]}]}],"credits":[{"lang":"en","value":"zaeek@protonmail.com","type":"finder"}],"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T14:25:40.526143Z","id":"CVE-2016-20091","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-22T14:25:51.037Z"}}]}}}