Question 1

What is CVE-2026-74959 — CVE-2026-74959?

Accepted Answer

Mitigation bypass in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Question 2

What is the authoritative source for CVE-2026-74959?

Accepted Answer

CVE-2026-74959 (CVE-2026-74959) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-74959CVE-2026-74959

Description

Scoring