FKIE_CVE-2026-54424

Vulnerability from fkie_nvd - Published: 2026-07-04 01:16 - Updated: 2026-07-04 01:16
Severity ?
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An Incorrect Use of Privileged APIs vulnerability in Unity Parsec on Windows hosts leads to a potential Elevation of Privilege. This issue affects Parsec through v2026-05-04.0. The patched version is Parsec for Windows version 150-104a. A user can generate a situation where there is an instance of parsecd.exe running as NT AUTHORITY\SYSTEM with a user-controlled value of the AppData environment variable.
References
cve@mitre.orghttps://github.com/tomadimitrie/CVE-2026-54424
cve@mitre.orghttps://parsec.app/
cve@mitre.orghttps://support.parsec.app/hc/en-us/articles/50612943726612-CVE-2026-54424
cve@mitre.orghttps://www.tomadimitrie.dev/blog/CVE-2026-54424
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "Parsec",
          "vendor": "Unity",
          "versions": [
            {
              "lessThanOrEqual": "v2026-05-04.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Incorrect Use of Privileged APIs vulnerability in Unity Parsec on Windows hosts leads to a potential Elevation of Privilege. This issue affects Parsec through v2026-05-04.0. The patched version is\u00a0Parsec for Windows version 150-104a. A user can generate a situation where there is an instance of parsecd.exe running as NT AUTHORITY\\SYSTEM with a user-controlled value of the AppData environment variable."
    }
  ],
  "id": "CVE-2026-54424",
  "lastModified": "2026-07-04T01:16:27.340",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-07-04T01:16:27.340",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/tomadimitrie/CVE-2026-54424"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://parsec.app/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://support.parsec.app/hc/en-us/articles/50612943726612-CVE-2026-54424"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.tomadimitrie.dev/blog/CVE-2026-54424"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-648"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Primary"
    }
  ]
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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