CVE-2026-56645 — Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

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

Published: 2026-07-03 · CVSS: 8.8 · CVSS 3.1

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

Original CVE JSON · STIX 2.1

Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7