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
Security Patch
Security Patch
This update provides you with the latest version of the Microsoft Office XP WordPerfect 5.x Converter and offers the highest levels of stability and security available for the Office XP WordPerfect 5.x Converter.
FREE
Release Date:
9/3/2003
Security Patch
Security Patch
A security vulnerability exists in Microsoft Excel 2002 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
12/11/2006
Security Patch
Security Patch
A security vulnerability exists in the 2007 Microsoft Office System and the Compatibility Pack for the 2007 Office system that could allow remote code execution. This update resolves that vulnerability.
FREE
Release Date:
5/8/2007
Security Patch
Security Patch
A security vulnerability exists in Microsoft Word 2000 that could allow arbitrary code to run when you open a maliciously modified document. This update resolves that vulnerability so that Word 2000 documents are handled appropriately.
FREE
Release Date:
7/12/2005
Security Patch
Security Patch
This update fixes a vulnerability where a specially crafted image could allow an attacker’s code to run on a user’s machine due to a vulnerability in the graphics interpreter code.
FREE
Release Date:
9/13/2004
Security Patch
Security Patch
A security vulnerability exists in Microsoft Word 2002 that could allow arbitrary code to run when opening a maliciously modified document. This update resolves this vulnerability so that Word documents are handled appropriately.
FREE
Release Date:
4/12/2005
Security Patch
Security Patch
A security vulnerability exists in the Microsoft Office XP Web Components that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
3/11/2008
Security Patch
Security Patch
Security vulnerability exists in Microsoft Word 2000 that could allow arbitrary code to run when opening a malicious document. This update addresses that vulnerability.
FREE
Release Date:
3/13/2006
Security Patch
Security Patch
A security vulnerability exists in the 2007 Microsoft Office system that could enable arbitrary code to run when a maliciously modified file is opened. This security update resolves that vulnerability.
FREE
Release Date:
8/13/2007
Security Patch
Security Patch
This update fixes critical issues and also helps to improve security. It includes fixes for vulnerabilities that an attacker can use to overwrite the contents of your computer's memory with malicious code.
FREE
Release Date:
6/13/2011
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2002 that could allow arbitrary code to run when a maliciously modified document is opened. This update resolves that vulnerability.
FREE
Release Date:
5/11/2009
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2007 that could allow arbitrary code to run when a maliciously modified document is opened. This update resolves that vulnerability.
FREE
Release Date:
5/11/2009
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2000 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
10/6/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2003 that could allow arbitrary code to run when a maliciously modified document is opened. This update resolves that vulnerability.
FREE
Release Date:
2/4/2010
Security Patch
Security Patch
A security vulnerability exists in Microsoft Office PowerPoint 2007 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
6/4/2010
Security Patch
Security Patch
A vulnerability could allow arbitrary code to run when the system uses the converter to open a maliciously crafted document. The update resolves this vulnerability so that the files that the converter opens are handled appropriately.
FREE
Release Date:
9/13/2004
Security Patch
Security Patch
Microsoft has released a security update for Microsoft PowerPoint 2000. This update resolves a security issue that could allow arbitrary code to run when you open a malicious presentation.
FREE
Release Date:
6/12/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft Excel 2000 that could allow remote code execution. This update resolves that vulnerability.
FREE
Release Date:
7/9/2007
Security Patch
Security Patch
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:
5/8/2007
Security Patch
Security Patch
A cross-site scripting and spoofing vulnerability exists in SharePoint Team Services from Microsoft. This update fixes that vulnerability.
FREE
Release Date:
4/10/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft Project 2002 that could allow the elevation of rights. This update addresses that vulnerability.
FREE
Release Date:
7/10/2006
Security Patch
Security Patch
This update provides you with the latest version of the Microsoft Access 2002 Snapshot Viewer and offers the highest levels of stability and security available for the Access 2002 Snapshot Viewer.
FREE
Release Date:
9/3/2003
Security Patch
Security Patch
This update addresses a vulnerability in Excel X for Mac that could enable an attacker to use a modified workbook file to overwrite the contents of your computer's memory with malicious code.
FREE
Release Date:
3/6/2006
Security Patch
Security Patch
The Outlook 2002 Security Patch: KB828040 offers the highest levels of stability and security available for Microsoft Outlook 2002.
FREE
Release Date:
3/10/2004
Security Patch
Security Patch
A security vulnerability exists in Microsoft® Windows® SharePoint® Services that could allow cross-site scripting and spoofing attacks. This update resolves that vulnerability
FREE
Release Date:
2/8/2005
Security Patch
Security Patch
Excel 2002 Security Patch: KB830350 offers the highest levels of stability and security available for Microsoft Excel 2002.
FREE
Release Date:
11/11/2003
Security Patch
Security Patch
A security vulnerability exists in Microsoft Office Excel 2007 that could allow remote code execution. This update resolves that vulnerability.
FREE
Release Date:
7/9/2007
Security Patch
Security Patch
A security vulnerability exists in Microsoft Excel 2002 that could allow remote code execution. This update resolves that vulnerability.
FREE
Release Date:
1/8/2007
Security Patch
Security Patch
A security vulnerability exists in Microsoft Excel 2000 that could allow remote code execution. This update resolves that vulnerability.
FREE
Release Date:
1/17/2007
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2000 that could allow arbitrary code to run when opening a malicious document. This update addresses that vulnerability.
FREE
Release Date:
3/13/2006
Security Patch
Security Patch
Microsoft has released an update for Microsoft Access 2000 Runtime. A security vulnerability exists in Access 2000 Runtime that could allow arbitrary code to run when you open a maliciously modified file. This update resolves that vulnerability.
FREE
Release Date:
8/7/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft Visio 2002 that could allow the elevation of rights. This update addresses that vulnerability.
FREE
Release Date:
7/10/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft Office 2003 Korean IME that could allow for elevation of privilege. This update addresses that vulnerability when Office 2003 is used with the Proofing Tools installed.
FREE
Release Date:
2/13/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft Office XP that could allow the elevation of rights. This update addresses that vulnerability.
FREE
Release Date:
7/11/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft Office SharePoint Server 2007 that could allow cross-site scripting. This update resolves that vulnerability.
FREE
Release Date:
10/8/2007
Security Patch
Security Patch
Office XP Security Update: KB832332 offers the highest levels of stability and security available for Microsoft Office.
FREE
Release Date:
10/12/2004
Security Patch
Security Patch
A security vulnerability exists in Microsoft Office 2000 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
2/12/2007
Security Patch
Security Patch
A security vulnerability exists in Microsoft Excel that could allow arbitrary code to run when opening a maliciously modified spreadsheet. This update resolves this vulnerability so that Excel spreadsheets are handled appropriately.
FREE
Release Date:
10/12/2004
Security Patch
Security Patch
A security vulnerability exists in Microsoft Publisher 2000 that could allow arbitrary code to run when you open a maliciously modified document. This update resolves the vulnerability so that Publisher 2000 documents are handled appropriately.
FREE
Release Date:
9/11/2006
Security Patch
Security Patch
A security vulnerability exists in Microsoft PowerPoint 2002 that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.
FREE
Release Date:
5/6/2011
1 2 3 4 5 6 7 8 9
 
Results per page:1020304050