Microsoft has fixed as many as 89 security flaws as part of its monthly Patch Tuesday updates. Among the bugs are a zero-day in Internet Explorer that could permit an attacker to run arbitrary code on target machines. Of these flaws, 14 are listed as Critical, and 75 listed as Important in severity, out of which two of the bugs described as publicly known, while five others have been reported as under active attack at the time of release. The update also corrects a number of remote code execution (RCE) flaws in Windows DNS Server and Hyper-V server.
Source: https://thehackernews.com/2021/03/microsoft-issues-security-patches-for.html