CVE-2026-58287 HIGH

CVE-2026-58287: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft Edge (Chromium-based)
Weakness CWE-416
Published July 3, 2026
Last update July 3, 2026

CVSS base score

8.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Key dates

02Disclosure timeline

July 3, 2026 CVE published
July 3, 2026 Record updated