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High MSRC-CVE-2026-85890 1 CVE

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Published Oct 16, 2026 · Updated Oct 26, 2026 · Revision 2

Vendor: Microsoft

Summary

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

Details

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.

There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?
Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

Security updates
154.0.4258.37 — https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security

Vulnerabilities 1

Revision history

  1. #2

    Added Edge software to the Security Updates table. Customers that are running supported version of Edge are encouraged to update to the indicated version to be protected from this vulnerability.

  2. #1

    Information published.

References