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Microsoft Security Response CenterCVE-2026-84353

Chromium: CVE-2026-84353 Use after free in Shared Tab Groups

Severity not listed 1 CVE Published Sep 8, 2026 at 7:00 AM UTC

Summary

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

Products covered

  • Microsoft Edge (Chromium-based)

Remediation

Release Notes

Vendor-listed fixes

  • 152.0.4191.62

CVEs in this advisory 1

Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • The vendor changed the advisory's last-updated date.

Updates

  1. Added to SecurityAlert

    We collected the advisory from the official source.

  2. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.