CVE-2026-54424
Full vulnerability record from the local CVENow database.
Description
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.
Severity
HIGH
CVSS score
8.4
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-07-04 01:16:27.340000
Last modified
2026-10-25 15:10:00.147000
View original CVE JSON
{
"id": "CVE-2026-54424",
"sourceIdentifier": "[email protected]",
"published": "2026-07-04T01:16:27.340",
"lastModified": "2026-10-25T15:10:00.147",
"vulnStatus": "Awaiting Analysis",
"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 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."
},
{
"lang": "es",
"value": "Una vulnerabilidad de uso incorrecto de APIs privilegiadas en Unity Parsec en hosts de Windows conduce a una potencial Elevación de Privilegios. Este problema afecta a Parsec hasta la v2026-05-04.0. La versión parcheada es Parsec para Windows versión 150-104a. Un usuario puede generar una situación en la que hay una instancia de parsecd.exe ejecutándose como NT AUTHORITY\\SYSTEM con un valor controlado por el usuario de la variable de entorno AppData."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Unity",
"product": "Parsec",
"defaultStatus": "unaffected",
"platforms": [
"Windows"
],
"versions": [
{
"version": "0",
"lessThanOrEqual": "v2026-05-04.0",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.5,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-06T15:34:43.819706Z",
"id": "CVE-2026-54424",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-648"
}
]
}
],
"references": [
{
"url": "https://github.com/tomadimitrie/CVE-2026-54424",
"source": "[email protected]"
},
{
"url": "https://parsec.app/",
"source": "[email protected]"
},
{
"url": "https://support.parsec.app/hc/en-us/articles/50612943726612-CVE-2026-54424",
"source": "[email protected]"
},
{
"url": "https://www.tomadimitrie.dev/blog/CVE-2026-54424",
"source": "[email protected]"
}
]
}