Microsoft Security Response CenterCVE-2026-69486

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

HighVendor CVSS 8.8 / 10 1 CVE Published Sep 15, 2026 at 7:00 AM UTC

Summary

Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Release Notes

Sep 15, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 16, 2026 at 3:40 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Nov 10, 2026 at 2:00 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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