CVE-2026-66314: Time-of-check time-of-use (toctou) race condition in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

PriorityP430medium5.3CVSS 3.1

AVNACHPRNUIRSUCHINAN

EPSS

0.57%

46.7th percentile

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

Affected

2 ranges

Vendor	Product	Version range	Fixed in
microsoft	edge_chromium	< 151.0.4129.59	151.0.4129.59
microsoft	microsoft_edge	>= 1.0.0.0 < 151.0.4129.59	151.0.4129.59

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