Microsoft Security Response CenterCVE-2026-122518

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

MediumVendor CVSS 6.5 / 10 1 CVE Published Nov 4, 2026 at 8:00 AM UTC

Summary

Out-of-bounds read in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Release Notes

Nov 4, 2026 at 8:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Nov 5, 2026 at 6:25 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Details collected from Microsoft Security Response Center.

Official bulletin How SecurityAlert builds this record

Your environment

A vendor advisory can tell you what may be affected. It cannot tell you whether that product and version are installed in your environment.

Keep following

Use the vendor-specific RSS feed or set up alerts for a product your team relies on.

Follow this vendor's RSS feed