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Microsoft Security Response CenterCVE-2026-50521

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

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

8.3CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Edge (Chromium-based)

Versions the vendor lists as fixed

  • 149.0.4022.68
  • 149.0.4022.67
  • 149.0.4022.62
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory