CVE-2026-53413
Full vulnerability record from the local CVENow database.
Description
Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.
Severity
HIGH
CVSS score
8.3
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-08-11 16:17:32.580000
Last modified
2026-10-24 16:10:00.153000
View original CVE JSON
{
"id": "CVE-2026-53413",
"sourceIdentifier": "[email protected]",
"published": "2026-08-11T16:17:32.580",
"lastModified": "2026-10-24T16:10:00.153",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access."
},
{
"lang": "es",
"value": "Falta de verificación de límites en la función de anotador de los Clientes de Zoom permite la sobrescritura de búfer, lo que puede permitir a un participante de la reunión lograr ejecución remota de código de otro participante a través de acceso a la red."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Zoom Communications",
"product": "Zoom Clients",
"defaultStatus": "unaffected",
"platforms": [
"Windows",
"MacOS",
"Linux",
"iOS",
"Android"
],
"versions": [
{
"version": "see references",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.6,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-11T00:00:00+00:00",
"id": "CVE-2026-53413",
"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-787"
}
]
}
],
"references": [
{
"url": "https://www.zoom.com/en/trust/security-bulletin/zsb-26015",
"source": "[email protected]"
}
]
}