Is CVE-2026-16350 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-16350?

CVE-2026-16350 has a CVSS v3 severity of CRITICAL (9.8).

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CVE-2026-16350

Description

Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13.