Microsoft has released their advance notification for the September 2014 Patch Tuesday updates. There will be a total of four updates issued next Tuesday, September 9, one of them rated critical.
The one critical update addresses a problem or problems in Internet Explorer in all versions of Windows. Following a pattern typical of IE updates, it is rated Critical on Windows client systems and Moderate on servers. The problems are likely mitigated by the Enhanced Security Configuration in Windows Server.
Two of the other updates are rated Important and affect Windows. One specifically affects the .NET Framework and all versions of Windows (oddly, except for Server Core versions of the non-R2 editions of Windows Server 2008) and could result in a denial of service. The other affects Windows 8.x, Windows RT and Windows Server 2012.
The final update will fix a denial of service bug in Lync Server 2010 and 2013 and is rated Important.
Microsoft will also release a new version of the Windows Malicious Software Removal Tool and probably some as-yet undisclosed number of non-security updates to various Windows versions. It has also become popular for other companies, most prominently Adobe, to release security updates for their own products on that day.