Resolves vulnerabilities in TCP/IP processing that could allow remote code execution if an attacker sent specially crafted TCP/IP packets over the network to a computer by using a listening service.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

In search on the taskbar, enter Control Panel and select it from the results. Select Programs > Programs and Features. Press and hold (or right-click) on the program you want to remove and select Uninstall or Uninstall / Change. Then follow the directions on the screen. Need more help?

To apply this hotfix, you must be running one of the following operating systems: To use the hotfix in this package, you do not have to make any changes to the registry. You must restart the computer after you apply this hotfix. This hotfix does not replace a previously released hotfix.

To resolve this issue, install the following hotfix on the computer. After you install this hotfix, you can exclude ports by using the Netshell command prompt utility. The following are examples of Netshell commands: This command excludes consecutive blocks of ports.

Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware. This feature ensures that your device is actively protected by scanning files and programs as they are accessed or executed.

Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see the "Covered malware families" list in the "Release information" section of KB 890830). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.