Question 1

What is CVE-2026-74962 — CVE-2026-74962?

Accepted Answer

Site isolation issue in the Networking: Cookies 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-2026-74962?

Accepted Answer

CVE-2026-74962 (CVE-2026-74962) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-74962CVE-2026-74962

Description

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