MSHTML Framework Zero-Day Opens Door to Network-Based Security Bypass

Microsoft has disclosed a zero-day vulnerability (CVE-2026-21513) in the MSHTML Framework that allows attackers to bypass security features and gain high-level access to affected systems. This critical vulnerability, with a CVSS score of 8.8, has a network-based attack vector and is already being exploited in the wild, necessitating immediate patching.