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Get the latest updates for your PC at Microsoft Update.
Microsoft Update

Check for the latest security updates to help protect your computer.

Protect your PC from viruses, spyware, and other malicious software.
Microsoft Security Essentials

Protect your PC from viruses, spyware, and other malicious software.

Download security tools, toolkits, and guides.
Download security tools

Assess vulnerabilities and strengthen security with a broad range of tools.

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Security Patch
Security Patch
Microsoft Visual C++ 2008 Service Pack 1 Redistributable Package MFC Security Update
A security issue has been identified leading to a vulnerability in MFC applications that are built with Visual Studio 2008 and ship the Microsoft Visual C++ 2008 Service Pack 1 Redistributable Package.
FREE
Release Date:
6/7/2011
Security Patch
Security Patch
Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package ATL Security Update
A security issue has been identified that could allow an attacker to compromise your Windows-based system with Microsoft Visual C++ 2005 Service Pack 1 Redistributable Package.
FREE
Release Date:
9/20/2010
Security Patch
Security Patch
May 2013 Security Release ISO Image
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on May 14, 2013.
FREE
Release Date:
5/14/2013
Document
Document
Trends in Cloud Computing Cloud Security Readiness Tool
This report is the result of information collected in the Cloud Security Readiness Tool (CSRT).
FREE
Release Date:
5/15/2013
Security Patch
Security Patch
Security Update for Internet Explorer 8 for Windows Server 2003 (KB2847204)
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-038. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
5/10/2013
Security Patch
Security Patch
Security Update for Internet Explorer 8 in Windows Server 2008 R2 for Itanium-based Systems (KB2847204)
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-038. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
5/10/2013
Security Patch
Security Patch
Security Update for ActiveX Killbits for Windows Server 2003 (KB2820197)
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-000. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
5/10/2013
Security Patch
Security Patch
Security Update for ActiveX Killbits for Windows Server 2003 for Itanium-based Systems (KB2820197)
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-000. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
5/10/2013
Security Patch
Security Patch
Cumulative Security Update for Internet Explorer for Windows Server 2003 (KB2829530)
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-037. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
5/10/2013
Security Patch
Security Patch
Cumulative Security Update for Internet Explorer 7 in Windows Server 2008 for Itanium-based Systems (KB2829530)
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS13-037. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
5/10/2013
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