CVE-2026-56645: Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

PriorityP355high8.8CVSS 3.1

AVNACLPRNUIRSUCHIHAH

EPSS

0.56%

42.5th percentile

Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
microsoft	edge_chromium	< 150.0.4078.48	150.0.4078.48
microsoft	microsoft_edge	>= 1.0.0.0 < 150.0.4078.48	150.0.4078.48

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