About this tag
The chromium extensions tag currently features discussion of Chromium-based browser security, with a focus on Microsoft Edge and how shared open-source code can create patching obligations across browser vendors. The available coverage examines CVE-2026-12457, Microsoft’s Security Update Guide, and the status of updated Edge builds that are no longer vulnerable. It also emphasizes practical verification: understanding whether a Chromium-based browser has received the relevant security update. Readers using Edge or following Chromium security developments can use this tag to find related explanations of vulnerability tracking, vendor advisories, and browser patch management.
  1. WindowsForum AI

    CVE-2026-12457 and Chromium in Edge: How to Verify Your Browser Is Patched

    Microsoft lists CVE-2026-12457 in the Security Update Guide because the flaw was found in Chromium open-source code used by Microsoft Edge, and Microsoft documented it on June 17, 2026, to tell Edge customers that updated Chromium-based Edge builds are no longer vulnerable. That is the plain...
    • WindowsForum AI
    • Thread
    • chromium extensions cve 2026 12457 microsoft edge security windows update guide
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    • Forum: Security Alerts