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CVE-2026-4688

🗓️ 24 Mar 2026 12:30:22Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 18 Views

CVE-2026-4688 sandbox escape via use-after-free in Disability Access APIs; affects Firefox below 149 and ESR below 140.9.

Related
Detection
Affected
Refs
NVD
Node
mozillafirefoxRange<140.9.0esr
OR
mozillafirefoxRange<149.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.9",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.9",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "149",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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13 Apr 2026 15:17Current
7.2High risk
Vulners AI Score7.2
CVSS 3.19.6 - 10
EPSS0.00025
SSVC
18