CVE-2021-41379

CVE-2021-41379 is a Windows Installer Elevation of Privilege vulnerability affecting Microsoft products. This high-severity flaw (CVSS 7.8) allows a local, low-privileged attacker to gain full administrative privileges on a vulnerable system with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. The vulnerability is actively exploited in the wild, including in known ransomware campaigns, despite the lack of public exploit code in common frameworks. This critical vulnerability has garnered significant community attention and media coverage, underscoring its importance.