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9.6 Critical

CVE-2026-100800 Sandbox escape due to use-after-free in the Disability Access APIs component

Description

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157.

Affected products and versions

Product Affected versions Fixed in
Firefox 157 earliest → < 157 157
Firefox 153.4 earliest → < 153.4 153.4
Thunderbird 157 earliest → < 157 157
Thunderbird 153.4 earliest → < 153.4 153.4

References

Timeline

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