Question 1

What is CVE-2026-117864 — CVE-2026-117864?

Accepted Answer

Sandbox escape in the Form Manager component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Question 2

What is the authoritative source for CVE-2026-117864?

Accepted Answer

CVE-2026-117864 (CVE-2026-117864) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-117864CVE-2026-117864

Description