Microsoft Releases Patches for Active 0-Day Vulnerability and 55 Other Windows Flaws
On February 10, 2021, Microsoft addressed a total of 56 vulnerabilities, including a critical 0-day exploit that is currently being targeted in the wild. Among these, 11 vulnerabilities are classified as Critical, 43 as Important, and 2 as Moderate in severity, with six being previously disclosed. The updates enhance security across various platforms, including .NET Framework, Azure IoT, Microsoft Dynamics, Microsoft Edge for Android, Microsoft Exchange Server, Microsoft Office, Windows Codecs Library, Skype for Business, Visual Studio, Windows Defender, and key system components such as Kernel, TCP/IP, Print Spooler, and Remote Procedure Call (RPC).
The most critical vulnerability addressed is a Windows Win32k privilege escalation issue (CVE-2021-1732, CVSS score 7.8), which could allow attackers with access to a system to execute malicious code with elevated privileges. Microsoft acknowledges the contributions of JinQuan, MaDongZe, TuXiaoYi, and LiHao from DBAPPSecurity in identifying this vulnerability.