Microsoft has released a hundred patches to Windows and other Microsoft software, including 12 vulnerabilities flagged as Critical, and 87 flagged as Important. Products such as Microsoft’s browsers, Windows, Office, Exchange Server and even the Windows Malicious Software Removal Tool received updates (see Release Notes).
Most of the critical bugs are remote code execution and memory corruption bugs in services such as the IE (Internet Explorer) scripting engine, the Remote Desktop Protocol service, LNK files, and the Media Foundation component.
Microsoft’s official Security Update Guide portal lists all security updates in a filterable table.