CVE-2026-109750 — Site isolation issue in the DOM: Web Authentication component
Site isolation issue in the DOM: Web Authentication component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Published: 2026-10-13 · CVSS: 9.6 · CVSS 3.1
Site isolation issue in the DOM: Web Authentication component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7