Question 1

What is CVE-2026-118023 — CVE-2026-118023?

Accepted Answer

Sandbox escape due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 159 and Thunderbird 159.

Question 2

What is the authoritative source for CVE-2026-118023?

Accepted Answer

CVE-2026-118023 (CVE-2026-118023) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-118023CVE-2026-118023

Description