FKIE_CVE-2026-53410

Vulnerability from fkie_nvd - Published: 2026-07-16 21:17 - Updated: 2026-08-17 17:34
Severity
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
security@zoom.ushttps://www.zoom.com/en/trust/security-bulletin/zsb-26012Vendor Advisory
Impacted products
Vendor Product Version
zoom remote_control_for_zoom_contact_center *
zoom rooms *
zoom workplace_desktop *
zoom workplace_virtual_desktop_infrastructure *
zoom workplace_virtual_desktop_infrastructure *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "Zoom Clients",
          "vendor": "Zoom Communications",
          "versions": [
            {
              "status": "affected",
              "version": "see references",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@zoom.us"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zoom:remote_control_for_zoom_contact_center:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "7F8486B8-7E59-40A1-AD2D-918417388945",
              "versionEndExcluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "B1F47C70-435F-451B-B939-28BAD9DB29B3",
              "versionEndExcluding": "7.0.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "AFF94A95-A9B2-4681-B4CE-97FAD4AF4963",
              "versionEndExcluding": "7.0.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "C9C61FFE-8201-4FFC-BC56-65584EF25EC2",
              "versionEndExcluding": "6.5.17",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "573884BB-3890-474F-87EB-5EA001B6F675",
              "versionEndExcluding": "6.6.14",
              "versionStartIncluding": "6.6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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."
    }
  ],
  "id": "CVE-2026-53410",
  "lastModified": "2026-08-17T17:34:21.447",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "security@zoom.us",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-53410",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-17T13:19:38.363485Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-16T21:17:21.377",
  "references": [
    {
      "source": "security@zoom.us",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.zoom.com/en/trust/security-bulletin/zsb-26012"
    }
  ],
  "sourceIdentifier": "security@zoom.us",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ],
      "source": "security@zoom.us",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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