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CVE-2026-16352

Full vulnerability record from the local CVENow database.

Description

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

Severity
CRITICAL
CVSS score
9.8 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-21 13:17:03.693000
Last modified
2026-10-24 20:10:00.137000
View original CVE JSON
{
  "id": "CVE-2026-16352",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-21T13:17:03.693",
  "lastModified": "2026-10-24T20:10:00.137",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13."
    },
    {
      "lang": "es",
      "value": "Escape de sandbox debido a uso después de liberación en el componente de APIs de Acceso para Discapacitados. Esta vulnerabilidad se corrigió en Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153 y Thunderbird 140.13."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
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          "product": "Firefox",
          "versions": [
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              "version": "115.38",
              "lessThanOrEqual": "115.*",
              "versionType": "rpm",
              "status": "unaffected"
            },
            {
              "version": "140.13",
              "lessThanOrEqual": "140.*",
              "versionType": "rpm",
              "status": "unaffected"
            },
            {
              "version": "153",
              "lessThanOrEqual": "*",
              "versionType": "rpm",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Mozilla",
          "product": "Thunderbird",
          "versions": [
            {
              "version": "140.13",
              "lessThanOrEqual": "140.*",
              "versionType": "rpm",
              "status": "unaffected"
            },
            {
              "version": "153",
              "lessThanOrEqual": "*",
              "versionType": "rpm",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Secondary",
        "cvssData": {
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
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        "exploitabilityScore": 3.9,
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      }
    ],
    "ssvcV203": [
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        "ssvcData": {
          "timestamp": "2026-07-22T15:23:05.783737Z",
          "id": "CVE-2026-16352",
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              "exploitation": "none"
            },
            {
              "automatable": "yes"
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          "role": "CISA Coordinator",
          "version": "2.0.3"
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  },
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
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      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "negate": false,
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  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2046416",
      "source": "[email protected]",
      "tags": [
        "Permissions Required"
      ]
    },
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      "source": "[email protected]",
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  ]
}