CVE-2021-42276

CVE-2021-42276 is a Microsoft Windows Media Foundation Remote Code Execution vulnerability affecting Windows 10, 11, and various Windows Server versions. It carries a high CVSS score of 7.8, indicating a significant risk where an attacker could achieve full compromise of confidentiality, integrity, and availability. While the attack requires user interaction (e.g., opening a malicious file), its low attack complexity makes it a notable threat. Currently, there is no evidence of active exploitation, nor are public exploit modules or proof-of-concept codes available, and community discussion and media coverage remain limited.