CVE-2026-117990

CVE-2026-117990CVE-2026-117990

Description

Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Scoring

Last modified2026-10-27
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.