CVE-2026-66314

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CVSS 3.1

5.3 medium

EPSS

<1%p25

Published

Aug 4, 2026 (Aug 4, 2026)

Modified

Aug 6, 2026

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.

Vendors: microsoft
Products: edge chromium
Weakness: CWE-367
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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