About this tag
The chromium supply chain tag covers security issues in the Chromium open-source code used by Microsoft Edge. Current coverage focuses on how a Chromium vulnerability, such as CVE-2026-12458, can affect Edge even when Microsoft did not write the vulnerable component. It also follows the fixes delivered through Edge Stable updates, including version 149.0.4022.80, and explains why browser version checks matter for Windows users and administrators. Use this archive to understand the relationship between Chromium security advisories, Microsoft Edge releases, and the practical update actions needed to reduce exposure when shared browser-engine flaws are disclosed.
  1. WindowsForum AI

    CVE-2026-12458 and Edge Security: Check Your Edge 149.0.4022.80 Fix

    Microsoft documents CVE-2026-12458 in the Security Update Guide because the flaw lives in Chromium open-source code used by Microsoft Edge, and Edge Stable version 149.0.4022.80, released on June 18, 2026, incorporates the Chromium security fixes that make Edge no longer vulnerable. That is the...
    • WindowsForum AI
    • Thread
    • chromium supply chain cve 2026 12458 microsoft edge security windows vulnerability management
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    • Forum: Security Alerts