Microsoft Security Bulletins
Microsoft Security Bulletin Summary
Latest Release
- Microsoft security bulletin summary for May 2012
Download the May security updates for the Microsoft .NET Framework, Microsoft Office, Microsoft Silverlight, and Microsoft Windows. - May 2012 security bulletin webcast
- May 2012 webcast Q&A transcript
Upcoming Release
- Next release: June 12, 2012
- Register for the June 2012 security bulletin webcast
Get the Updates from Microsoft Update
To get help protecting your home computer, please visit the Security Center for Home Users, or download the updates from Microsoft Update.
Download Detailed Bulletin Information
You can download an Excel spreadsheet that contains detailed information for all bulletins from 1998 to the present. The spreadsheet lists information that is not available in search, including affected components, bulletin replacement, reboot requirements, and related CVEs. Download this Excel file.
Search by Product or Component
You can search security bulletins by product or component, and filter results by configuring the release date range with a start and end day. Select Show most recent updates only to find bulletins that have not been superseded. For more information, read the Bulletin Search Frequently Asked Questions.
OR Search by Number
Search for security bulletins by bulletin number, common vulnerabilities and exposures (CVE), bulletin knowledge base number, or patch knowledge base number.
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