Is CVE-2026-66314 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-66314?

CVE-2026-66314 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-66314

Description

Time-of-check time-of-use (toctou) race condition in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.