Microsoft has fixed 89 vulnerabilities on this March 2021 Patch Tuesday. Apple has pushed out security updates to fix a critical RCE flaw in WebKit. Adobe has released security updates for Connect, Creative Cloud Desktop Application, and Framemaker. SAP has released 9 new security notes and updated 4 previously released ones. Apple has also pushed out updates for iOS, iPad, watchOS, and Safari all of those with WebKit security fixes. Microsoft has also released updates for some older and unsupported cumulative updates for Exchange 2016 and 2019.
Source: https://www.helpnetsecurity.com/2021/03/09/march-2021-patch-tuesday/