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CVE-2026-6297 is a critical use-after-free vulnerability in the Proxy component of Google Chrome. The flaw affects Chrome versions prior to 147.0.7727.101 on Linux and prior to 147.0.7727.101/102 on Windows and macOS. The vulnerable condition arises from incorrect lifetime management of a proxy-related object in Chromium's networking stack, leading to dereference of a stale pointer after the object has been freed. An attacker in a privileged network position can trigger the vulnerable code path by causing a target to load a crafted HTML page. Successful exploitation can cross Chrome's normal process isolation boundary and result in a sandbox escape.
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No public exploit code observed for this vulnerability.
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A critical use-after-free vulnerability in Chrome's Proxy component that could enable arbitrary code execution.
A critical use-after-free vulnerability in the Proxy component of Google Chrome that could allow a sandbox escape via a crafted HTML page when exploited by an attacker in a privileged network position.
A critical use-after-free vulnerability in Proxy in Google Chrome.
A critical use-after-free vulnerability in Google Chrome's Proxy component that can enable sandbox escape and potentially arbitrary code execution when a user visits a crafted HTML page while the attacker has a privileged network position.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.