Skip to content
OpenAdvisories
High MSRC-CVE-2026-66315 1 CVE

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Published Jul 31, 2026 · Updated Jul 31, 2026

Summary

Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

Details

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to craft deceptive or invisible form elements and user to perform two sequential taps.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user must visit the attacker‑controlled webpage, and perform the two tap gestures that cause autofill to activate.

According to the CVSS metric, the attack vector is network (AV:N) and user interaction is required (UI:R). What is the target context of the remote code execution?
This attack requires a user to open a specially crafted file from the attacker to initiate remote code execution.

What is the version information for this release?
151.0.4129.59: 151.0.4129.59, 07/31/2026: 07/31/2026, 151.0.7922.71/.72: 151.0.7922.71/.72

Security updates
151.0.4129.59 — https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security

Vulnerabilities 1

Revision history

  1. #1

    Information published.

References