HarborGuard / CVE
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CRITICALCVE-2026-8953Published Modified CNA mozilla

CVE-2026-8953: Sandbox escape due to use-after-free in the Disability Access APIs component

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

Metrics

CVSS v3.1
9.6
Severity
CRITICAL
Fixed in
115.36
Affected Products
2

Fix available

115.36140.11151
Affected packages
  • Mozilla / Firefox
    Fixed in 115.36, 140.11, 151
  • Mozilla / Thunderbird
    Fixed in 140.11, 151
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
References