Researchers have found three vulnerabilities in the popular Zoom meeting platform that could let one meeting participant attack another through malicious collaboration data. The vulnerabilities, tracked as CVE-2026-53413, CVE-2026-53414, and CVE-2026-53415, affect the code Zoom uses to process annotation data shared during meetings. What this means is that someone in the same Zoom meeting could send data that the Zoom app was not prepared to handle.