{
    "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": "2026-10-08T20:15:56.603Z"
    },
    "containers": {
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                "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": [
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                            "version": "0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "4.0.26241.138"
                        },
                        {
                            "version": "4.0.26241.138",
                            "status": "unaffected",
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                        "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,
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                        "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"
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                    "name": "Patch Commit"
                },
                {
                    "url": "https://github.com/winsiderss/systeminformer/blob/v3.2.25011.2103/SystemInformer/phsvc/svcapiport.c#L196-L230",
                    "tags": [
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                    "url": "https://github.com/winsiderss/systeminformer/releases/tag/v4.0.26241.138",
                    "tags": [
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                    "name": "System Informer v4.0.26241.138 Release Notes"
                },
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                    "url": "https://github.com/winsiderss/systeminformer",
                    "tags": [
                        "product"
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                },
                {
                    "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"
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    }
}