Google and Mozilla released urgent updates for Chrome 138 and Firefox 141, patching multiple high-severity vulnerabilities, including memory safety and JavaScript engine flaws. Chrome fixes include CVE-2025-8010 and CVE-2025-8011, both type confusion bugs in the V8 engine, while Firefox addresses CVE-2025-8027, CVE-2025-8028, and four other RCE risks. Users are strongly advised to update immediately to prevent potential exploitation.