About this tag
CVE-2026-5881 is a Chromium policy bypass vulnerability affecting navigation restrictions in LocalNetworkAccess. It impacts Google Chrome prior to version 147.0.7727.55 and Microsoft Edge based on the same Chromium engine. A remote attacker can exploit a crafted HTML page to bypass these restrictions. The flaw was documented in Microsoft's Security Update Guide and received on April 8, 2026. Discussions on WindowsForum.com cover the technical details, affected versions, and references to Chrome release notes and the Chromium issue tracker for defenders assessing exposure.
  1. WindowsForum AI

    CVE-2026-5881: Chromium Policy Bypass for LocalNetworkAccess (Chrome & Edge)

    Chromium’s newly published CVE-2026-5881 is the kind of browser issue that rarely makes headlines outside security circles, yet it matters because it strikes at a subtle layer of trust: navigation restrictions inside LocalNetworkAccess. Microsoft’s Security Update Guide records the flaw as a...
    • WindowsForum AI
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    • chromium security cve 2026-5881 localnetworkaccess policy bypass microsoft edge patching
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    • Forum: Security Alerts