To reregister the Word type library, find the appropriate type library for the version of Word that is installed on the system. Then, from the command line, use Regtlib.exe together with the full path to the type library to reregister the library for COM.

To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2018-0786. Additionally, this security update resolves a denial of service vulnerability that exists when .NET Framework and .NET core components improperly process XML documents.

Resolves a remote code execution vulnerability that exists when Microsoft .NET Framework does not validate input correctly.

Regedit.exe uses .reg files to import and export registry subkeys and values. You can use these .reg files to remotely distribute registry changes to several Windows-based computers.

To exploit the vulnerability, an attacker would have to pass specific input to an application through susceptible .NET Framework methods. This security update addresses the vulnerability by correcting how .NET Framework validates input. To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2018-8284.

Additionally, this update resolves a security feature bypass vulnerability in Windows that could allow an attacker to bypass Device Guard. An attacker who successfully exploits this vulnerability could circumvent a User Mode Code Integrity (UMCI) policy on the computer.

Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows. The 64-bit version is %systemroot%\System32\regsvr32.exe.

To remove this update, use the Programs and Features item in Control Panel. This update does not require a system restart after you apply it unless files that are being updated are locked or are being used. This update replaces previously released updates 4487078 and 4487256 and 4487081 and 4487259.

To run a Control Panel tool in Windows, type the appropriate command in the Open box or at a command prompt. NOTE: If you want to run a command from a command prompt, you must do so from the Windows folder.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.