cbcvebase.
CVE-2026-109780
published 2026-10-13

CVE-2026-109780: Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

PriorityP426
EPSS
0.20%
9.0th percentile
Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.

Affected

2 ranges
VendorProductVersion rangeFixed in
mozillafirefox< Firefox 158Firefox 158
mozillathunderbird< Thunderbird 158Thunderbird 158
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