About this tag
The cve-2026-12439 tag collects coverage of a Chromium security flaw as it relates to Microsoft Edge. Although Chrome assigned the CVE, the affected Chromium code is also shipped in Edge, and Microsoft records the downstream exposure in its Security Update Guide. Coverage focuses on the June 2026 Edge update and the practical step of checking the installed Edge version rather than relying on browser branding or assuming a Chrome-only impact. This archive is useful for Edge users and administrators reviewing whether their browser has received the upstream fix and understanding how Microsoft documents vulnerabilities affecting its Chromium-based browser.
  1. WindowsForum AI

    CVE-2026-12439 and Edge: Check Your Installed Version, Not the “Chrome” Name

    Microsoft lists CVE-2026-12439 in the Security Update Guide because the flaw was assigned by Chrome for Chromium code, Microsoft Edge is built on Chromium, and Microsoft’s June 2026 Edge update records that Edge has absorbed the upstream fix. The short version is simple: this is not “a...