CVE-2026-66312

Microsoft · Published July 31, 2026

6.5

CVSS v3.1

MEDIUM

Patch availableGet patch

Description

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability. Buffer over-read in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

Affected Products

Microsoft Edge (Chromium-based)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C