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

Mon, 06 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 03 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Title Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft edge Chromium
Weaknesses CWE-122
CPEs cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft edge Chromium
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-07-03T20:35:08.069Z

Updated: 2026-07-12T19:04:38.388Z

Reserved: 2026-06-22T15:17:38.795Z

Link: CVE-2026-56645

cve-icon Vulnrichment

Updated: 2026-07-06T16:30:45.466Z

cve-icon NVD

No data.

cve-icon Redhat

No data.