Unrated severityNVD Advisory· Published Oct 13, 2026
CVE-2026-109759
CVE-2026-109759
Description
Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.
Affected products
2- Range: before 153.5
- Range: before 158
Patches
Vulnerability mechanics
References
3News mentions
0No linked articles in our index yet.