Name: CVE-2026-66798: Use After Free
Creator: Rapid7
Published: 2026-08-28T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-66798, CWE-416, CVSS 4.3, EPSS 0.00786

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

CVSS Details

CVSS 3.1 Base Score: 4.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Edge	—	Update Microsoft Edge to the latest version	Sep 1, 2026	Aug 28, 2026

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CVSS Details

Covered by Rapid7

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