The following file is available for download from the Microsoft Download Center: Download the package now. For more information about how to download Microsoft support files, click the following article number to go to the article in the Microsoft Knowledge Base:

The following file is available for download from the Microsoft Download Center: Download the package now. For more information about how to download Microsoft support files, click the following article number to go to the article in the Microsoft Knowledge Base:

Summary. The Distributed Component Object Model (DCOM) Remote Protocol is a protocol for exposing application objects using remote procedure calls (RPCs). DCOM is used for communication between the software components of networked devices. Hardening changes in DCOM were required for CVE-2021-26414.

Summary. The /INTEGRITYCHECK linker option provides Windows kernel digital signature verification for user mode Portable Executables (PE) files. This linker option is required for anti-malware and anti-cheat scenarios to register components with the Windows Security Center.

Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.

To help protect you and your recipients against computer viruses, Outlook blocks the sending and receiving of certain types of files (such as .exe and certain database files) as attachments. If you need to send one of these file types to an email recipient, we recommend using OneDrive and sending the recipient a link to the file instead.

Download. What it fixes. Checks the following Windows security features and enables them if needed. Phishing Filter or Smartscreen Filter. User Account Control (UAC) Data Execution Prevention (DEP) Windows Firewall. Antivirus protection status and updates. Runs on. Windows 7. Windows 8.1. Windows 10. See also. Stay protected with Windows Security.

MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

Resolves a vulnerability in Windows Explorer that could allow remote code execution if a user visited a specially crafted webpage.

How to update Windows Security - Microsoft Support. Security Windows 10. Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks. Check for Windows updates.