{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.0.26241.138"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "99a0d28e091878967a804ac9ea2fe22f2c1fdadb"
            },
            {
              "fixed": "ce451a264a424f6f386b1615df651f8364aaeb9f"
            }
          ],
          "repo": "https://github.com/winsiderss/systeminformer",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107782.json"
  },
  "details": "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.",
  "id": "CVE-2026-107782",
  "modified": "2026-10-10T02:30:20.246442967Z",
  "published": "2026-10-08T20:15:56.603Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107782.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/winsiderss/systeminformer/releases/tag/v4.0.26241.138"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107782"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/system-informer-before-4.0.26241.138-incorrect-authorization-in-phsvc-alpc-port"
    },
    {
      "type": "FIX",
      "url": "https://github.com/winsiderss/systeminformer/commit/ce451a264a424f6f386b1615df651f8364aaeb9f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/winsiderss/systeminformer"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/winsiderss/systeminformer/blob/v3.2.25011.2103/SystemInformer/phsvc/svcapiport.c#L196-L230"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "System Informer before 4.0.26241.138 Incorrect Authorization in phsvc ALPC Port"
}