Question 1

What is CVE-2026-16401 — CVE-2026-16401?

Accepted Answer

Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153.

Question 2

What is the authoritative source for CVE-2026-16401?

Accepted Answer

CVE-2026-16401 (CVE-2026-16401) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-16401CVE-2026-16401

Description