{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107782","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-08T20:02:31.398Z","datePublished":"2026-10-08T20:15:56.603Z","dateUpdated":"2026-10-14T01:19:53.192Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-08T20:15:56.603Z"},"datePublic":"2026-08-28T00:00:00.000Z","title":"System Informer before 4.0.26241.138 Incorrect Authorization in phsvc ALPC Port","descriptions":[{"lang":"en","value":"System Informer before 4.0.26241.138 contains an incorrect authorization vulnerability in the phsvc helper that allows local attackers to reach privileged APIs by connecting from any Authenticode-signed process. Attackers can load code into a Microsoft-signed host like rundll32.exe, connect to SiSvcApiPort, and call PhSvcApiCreateService to execute code as SYSTEM."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Incorrect Authorization","cweId":"CWE-863","type":"CWE"}]}],"affected":[{"vendor":"winsiderss","product":"System Informer","collectionURL":"https://github.com/winsiderss/systeminformer","packageURL":"pkg:github/winsiderss/systeminformer","repo":"https://github.com/winsiderss/systeminformer","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","versionType":"custom","lessThan":"4.0.26241.138"},{"version":"4.0.26241.138","status":"unaffected","versionType":"custom"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","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","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"}}],"references":[{"url":"https://github.com/winsiderss/systeminformer/commit/ce451a264a424f6f386b1615df651f8364aaeb9f","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/winsiderss/systeminformer/blob/v3.2.25011.2103/SystemInformer/phsvc/svcapiport.c#L196-L230","tags":["technical-description"]},{"url":"https://github.com/winsiderss/systeminformer/releases/tag/v4.0.26241.138","tags":["release-notes"],"name":"System Informer v4.0.26241.138 Release Notes"},{"url":"https://github.com/winsiderss/systeminformer","tags":["product"]},{"name":"VulnCheck Advisory: System Informer before 4.0.26241.138 Incorrect Authorization in phsvc ALPC Port","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/system-informer-before-4.0.26241.138-incorrect-authorization-in-phsvc-alpc-port"}],"credits":[{"lang":"en","value":"Muhammad Ali","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T01:19:38.922146Z","id":"CVE-2026-107782","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-14T01:19:53.192Z"}}]}}