Question 1

What is CVE-2026-124921 — CVE-2026-124921?

Accepted Answer

Sandbox escape in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.

Question 2

What is the authoritative source for CVE-2026-124921?

Accepted Answer

CVE-2026-124921 (CVE-2026-124921) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-124921CVE-2026-124921

Description