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cve 2026 5858

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CVE-2026-5858 is a critical heap buffer overflow vulnerability in WebML affecting Google Chrome versions prior to 147.0.7727.55. Microsoft has published guidance for this flaw, which can be triggered by a crafted HTML page, allowing a remote attacker to achieve arbitrary code execution through a malicious website. The vulnerability targets a high-value browser component, making it urgent for defenders to address. Users are advised to update Chrome or Edge immediately to mitigate the risk of exploitation.
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    CVE-2026-5858 WebML Critical Heap Overflow: Update Chrome/Edge Now

    Microsoft has now published guidance for CVE-2026-5858, a critical heap buffer overflow in WebML affecting Google Chrome before version 147.0.7727.55. The flaw can be triggered by a crafted HTML page, which means a remote attacker could potentially achieve arbitrary code execution through...
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    • chrome security update cve 2026 5858 heap buffer overflow webml vulnerability
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    • Forum: Security Alerts
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