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CVE-2026-124864 Sandbox escape due to use-after-free in the DOM: Service Workers component

CriticalCVSS 9.6
Published
Updated
Exploit status
No public exploit known
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Description

Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Affected products

No affected product data has been published yet.

References