Security updates & tools

Filter options

Product category

Operating system

Download type

Get the latest updates for your PC at Microsoft Update.
Microsoft Update
Protect your PC from viruses, spyware, and other malicious software.
Microsoft Security Essentials
Download security tools, toolkits, and guides.
Download security tools
decorative icon product name, link and description price and details
Update
Update
Hotfixes and Security Updates in Windows Server 2008 SP2 and Windows Vista SP2
FREE
Release Date:
8/14/2009
Update
Update
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on June 12th, 2007.
FREE
Release Date:
6/11/2007
Update
Update
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on May 8th, 2007.
FREE
Release Date:
5/7/2007
Update
Update
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on July 10th, 2007.
FREE
Release Date:
7/10/2007
Update
Update
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on April 10th, 2007.
FREE
Release Date:
4/10/2007
Update
Update
The Word 2000 Security Patch: KB824936 offers the highest levels of stability and security available for Microsoft Word 2000. This update is part of Microsoft’s continued effort to provide the latest product updates to customers.
FREE
Release Date:
9/3/2003
Update
Update
The Office 2000 Security Patch: KB822035 offers the highest levels of stability and security available for Microsoft Office 2000. This update is part of Microsoft’s continued effort to provide the latest product updates to customers.
FREE
Release Date:
9/3/2003
Update
Update
This update addresses the vulnerability addressed in the Microsoft Windows Security Bulletin MS03-046. To find out if more recent security updates are available for you, see the Overview section of this page.
FREE
Release Date:
10/14/2003
Update
Update
Tool that will allow customers to centrally report on events across multiple event logging & reporting servers (collection servers). This tool enables a Forefront Client Security management console to provide centralized management and reporting across multiple FCS deployments
FREE
Release Date:
5/1/2008
Update
Update
The Access 2000 Runtime Security Patch: KB827431 offers the highest levels of stability and security available for Microsoft Access 2000 Runtime. This update is part of Microsoft’s continued effort to provide the latest product updates to customers.
FREE
Release Date:
9/2/2003
Update
Update
A security issue has been identified that could allow an attacker to compromise a computer running Windows and gain control over it.
FREE
Release Date:
4/13/2004
Update
Update
A security issue has been identified that could allow an attacker to compromise a computer running Windows and gain control over it.
FREE
Release Date:
4/12/2004
Update
Update
A security issue has been identified that could allow an attacker to compromise a computer running Windows and gain control over it.
FREE
Release Date:
4/12/2004
Update
Update
A security issue has been identified that could allow an attacker to compromise a computer running Windows and gain control over it.
FREE
Release Date:
4/13/2004
Update
Update
This update addresses the vulnerability addressed in the Microsoft Windows Security Bulletin MS03-047. To find out if more recent security updates are available for you, see the Overview section of this page.
FREE
Release Date:
10/22/2003
Update
Update
This update addresses the vulnerability addressed in the Microsoft Windows Security Bulletin MS03-046. To find out if more recent security updates are available for you, see the Overview section of this page.
FREE
Release Date:
10/14/2003
Update
Update
This update addresses the vulnerability discussed in Microsoft Windows Security Bulletin MS02-050. To find out if more recent security updates are available for you, see the Overview section of this page.
FREE
Release Date:
11/12/2003
Update
Update
The Microsoft Project 2000 Security Patch: KB822478 offers the highest levels of stability and security available for Microsoft Project 2000 . This update is part of Microsoft’s continued effort to provide the latest product updates to customers.
FREE
Release Date:
9/2/2003
Update
Update
A security vulnerability exists in Microsoft Office SharePoint Server 2007 that could allow elevation of privileges. This update resolves that vulnerability.
FREE
Release Date:
12/9/2008
Update
Update
A security vulnerability exists in Microsoft Office Word Viewer 2003 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
12/9/2008
Update
Update
A security vulnerability exists in Microsoft Word 2000 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
12/9/2008
Update
Update
This update addresses the vulnerability discussed in Microsoft Security Bulletin MS04-022. To find out if other security updates are available for you, see the Overview section of this page.
FREE
Release Date:
6/28/2004
Update
Update
A security vulnerability exists in Microsoft Office Word 2007 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
12/9/2008
Update
Update
A security vulnerability exists in Microsoft Office Word 2003 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
12/9/2008
Update
Update
A security vulnerability exists in Microsoft Office SharePoint Server 2007 that could allow elevation of privileges. This update resolves that vulnerability.
FREE
Release Date:
12/9/2008
Update
Update
A security issue has been identified that could allow an attacker to compromise a computer running Windows and gain control over it.
FREE
Release Date:
4/12/2004
Update
Update
A security issue has been identified that could allow an attacker to compromise a computer running Windows Journal Viewer 1.5 and gain complete control over it.
FREE
Release Date:
10/11/2004
Update
Update
A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it.
FREE
Release Date:
10/8/2007
Update
Update
A security issue has been identified that could allow an attacker to compromise your Windows-based system and gain control over it.
FREE
Release Date:
10/8/2007
Update
Update
A security vulnerability exists in Microsoft Word 2002 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
10/9/2007
1 2 3 4 5
 
Results per page:1020304050