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CVE-2026-53410

Full vulnerability record from the local CVENow database.

Description

A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

Severity
HIGH
CVSS score
7.0 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-16 21:17:21.377000
Last modified
2026-10-24 20:10:00.137000
View original CVE JSON
{
  "id": "CVE-2026-53410",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-16T21:17:21.377",
  "lastModified": "2026-10-24T20:10:00.137",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges."
    },
    {
      "lang": "es",
      "value": "Una condición de carrera de tiempo de verificación a tiempo de uso (TOCTOU) en el proceso de instalación y desinstalación de ciertos Clientes de Zoom para Windows podría permitir a un usuario local autenticado escalar privilegios."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Zoom Communications",
          "product": "Zoom Clients",
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "versions": [
            {
              "version": "see references",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-17T13:19:38.363485Z",
          "id": "CVE-2026-53410",
          "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-367"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zoom:remote_control_for_zoom_contact_center:*:*:*:*:*:windows:*:*",
              "versionEndExcluding": "7.0.0",
              "matchCriteriaId": "7F8486B8-7E59-40A1-AD2D-918417388945"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*",
              "versionEndExcluding": "7.0.5",
              "matchCriteriaId": "B1F47C70-435F-451B-B939-28BAD9DB29B3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:*",
              "versionEndExcluding": "7.0.5",
              "matchCriteriaId": "AFF94A95-A9B2-4681-B4CE-97FAD4AF4963"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*",
              "versionEndExcluding": "6.5.17",
              "matchCriteriaId": "C9C61FFE-8201-4FFC-BC56-65584EF25EC2"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*",
              "versionStartIncluding": "6.6.0",
              "versionEndExcluding": "6.6.14",
              "matchCriteriaId": "573884BB-3890-474F-87EB-5EA001B6F675"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.zoom.com/en/trust/security-bulletin/zsb-26012",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}