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Introduction

On Tuesday, April 12, 2011, Microsoft released the following security and nonsecurity updates. These monthly updates are intended to keep our customers secure and up-to-date. We recommend that you install all updates that apply to you.

More Information

All the following are included in the April 12, 2011 update.

Security Updates

  • 2501584 Microsoft Security Advisory: Microsoft Office File Validation for Office 2003, 2007 Office, and Office 2010: April 12, 2011

  • 2466146 MS11-021: Description of the security update for Excel 2010: April 12, 2011

  • 2519975 MS11-022: Description of the security update for PowerPoint 2010: April 12, 2011

  • 2520047 MS11-022: Description of the security update for Office Web Applications 2010: April 12, 2011

  • 2519984 MS11-022: Description of the security update for PowerPoint Viewer 2010: April 12, 2011

  • 2464635 MS11-022: Description of the security update for PowerPoint 2007 converter: April 12, 2011

  • 2509488 MS11-023: Description of the security update for 2007 Office system: April 12, 2011

  • 2466156 MS11-021: Description of the security update for the 2007 Office system and the Office Compatibility Pack: April 12, 2011

  • 2464583 MS11-021: Description of the security update for Excel 2007: April 12, 2011

  • 2509470 Description of the Extended Protection for Authentication update for Outlook 2007

  • 2464599 Description of the update for Publisher 2007: April 12, 2011

  • 2464605 Description of the update for Word 2007: April 12, 2011

  • 2464623 MS11-022: Description of the security update for PowerPoint Viewer 2007: April 12, 2011

  • 2464594 MS11-022: Description of the security update for PowerPoint 2007: April 12, 2011

  • 2464603 Description of the update for Word 2003: April 12, 2011

  • 2464598 Description of the update for Publisher 2003: April 12, 2011

  • 2464588 MS11-022: Description of the security update for PowerPoint 2003: April 12, 2011

  • 2509503 MS11-023: Description of the security update for Office 2003: April 12, 2011

  • 2502786 MS11-021: Description of the security update for Excel 2003: April 12, 2011

  • 2464617 MS11-022: Description of the security update for PowerPoint 2002: April 12, 2011

  • 2509461 MS11-023: Description of the security update for Office XP: April 12, 2011

  • 2466169 MS11-021: Description of the security update for Excel 2002: April 12, 2011

  • 2466158 MS11-021: Description of the security update for Excel Viewer: April 12, 2011


Nonsecurity Updates

  • 982726 Description of the Outlook 2010 Junk Email Filter update: April 12, 2011

  • 2510648 Description of the Office Online update: April 12, 2011

  • 2510639 Description of the SharePoint Server 2010 update: April 12, 2011

  • 2508958 Description of the 2007 Office system update: April 12, 2011

  • 2522999 Description of the Office Outlook 2007 Junk Email Filter update: April 12, 2011

  • 2522981 Description of the Office Outlook 2003 Junk Email Filter update: April 12, 2011


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