CVE-2026-92037

Incorrect boundary conditions in the DOM: Animation component. This vulnerability was fixed in Firefox 156 and Thunderbird 156.

  • Published Sep 15, 2026
  • CVSS 9.8 critical
  • 0.6% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-92037 at the National Vulnerability Database