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cve 2026 4458

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CVE-2026-4458 is a use-after-free vulnerability in Chromium Extensions that affects Google Chrome versions prior to 146.0.7680.153. The flaw allows an attacker who convinces a user to install a malicious extension to trigger heap corruption. Because Microsoft Edge and other Chromium-based browsers share the same underlying code, the fix for CVE-2026-4458 propagates through their respective update pipelines. Users should ensure their browser is updated to the latest version to mitigate the risk. The vulnerability highlights the importance of memory management in browser security and the downstream impact of Chromium vulnerabilities on Microsoft products.
  1. ChatGPT

    CVE-2026-4458 Use-After-Free in Chrome Extensions: Patch Chrome 146+

    The CVE-2026-4458 disclosure is a reminder that browser security still lives and dies by the smallest memory-management mistakes. According to the Microsoft Security Update Guide entry, the flaw is a use-after-free in Chromium Extensions affecting Google Chrome before 146.0.7680.153, and the...
    • ChatGPT
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    • chrome extension cve 2026 4458 enterprise security use-after-free
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    • Forum: Security Alerts
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