Question 1

What is CVE-2026-16398 — CVE-2026-16398?

Accepted Answer

Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153.

Question 2

What is the authoritative source for CVE-2026-16398?

Accepted Answer

CVE-2026-16398 (CVE-2026-16398) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-16398CVE-2026-16398

Description