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Title: Microsoft Security Bulletin Summary for May 2006
Issued: May 9, 2006
Version Number: 1.0
Bulletin: http://go.microsoft.com/fwlink/?LinkId=66474
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Summary:
========
This advisory contains information about all security updates
released this month. It is broken down by security bulletin severity.

Critical Security Bulletins
===========================

MS06-019 - Vulnerability in Microsoft Exchange Could Allow Remote
Code Execution (916803)


- Affected Software:
- Microsoft Exchange Server 2003 Service Pack 1
- Microsoft Exchange Server 2003 Service Pack 2
- Microsoft Exchange Server 2000 with the Exchange 2000
Post-Service Pack 3 Update Rollup of August 2004

- Impact: Remote Code Execution
- Version Number: 1.0


MS06-020 - Vulnerabilities in Macromedia Flash Player from Adobe
Could Allow Remote Code Execution (913433)


- Affected Software:
- Windows XP Service Pack 1
- Windows XP Service Pack 2

- Review the FAQ section of bulletin MS06-O20 for information
about these operating systems:
- Windows 98
- Windows 98 Second Edition (SE)
- Windows Millennium Edition (ME)

- Impact: Remote Code Execution
- Version Number: 1.0


Moderate Security Bulletins
===========================

MS06-018 - Vulnerability in Microsoft Distributed Transaction
Coordinator Could Allow Denial of Service (913580)


- Affected Software:
- Windows 2000 Service Pack 4
- Windows XP Service Pack 1
- Windows XP Service Pack 2
- Windows Server 2003
- Windows Server 2003 for Itanium-based Systems

- Impact: Denial of Service
- Version Number: 1.0


Update Availability:
===================
Updates are available to address these issues.
For additional information, including Technical Details,
Workarounds, answers to Frequently Asked Questions,
and Update Deployment Information please read
the Microsoft Security Bulletin Summary for this
month at: http://go.microsoft.com/fwlink/?LinkId=64680

Support:
========
Technical support is available from Microsoft Product Support
Services at 1-866-PC SAFETY (1-866-727-2338). There is no
charge for support calls associated with security updates.
International customers can get support from their local Microsoft
subsidiaries. Phone numbers for international support can be found
at: http://support.microsoft.com/common/international.aspx

Microsoft Support Lifecycle for Business and Developer Software
===============================================================
The Microsoft Support Lifecycle policy provides consistent and
predictable guidelines for product support availability at the
time that the product is released. Under this policy, Microsoft
will offer a minimum of ten years of support. This includes five
years of Mainstream Support and five years of Extended Support for
Business and Developer products. Microsoft will continue to provide
security update support, at a supported Service Pack level, for a
minimum of ten years through the Extended support phase. For more
information about the Microsoft Support Lifecycle, visit
http://support.microsoft.com/lifecycle/ or contact your Technical
Account Manager.

Additional Resources:
=====================
* Microsoft has created a free monthly e-mail newsletter containing
valuable information to help you protect your network. This
newsletter provides practical security tips, topical security
guidance, useful resources and links, pointers to helpful
community resources, and a forum for you to provide feedback
and ask security-related questions.
You can sign up for the newsletter at:

http://www.microsoft.com/technet/security/secnews/default.mspx

* Microsoft has created a free e-mail notification service that
serves as a supplement to the Security Notification Service
(this e-mail). The Microsoft Security Notification Service:
Comprehensive Version. It provides timely notification of any
minor changes or revisions to previously released Microsoft
Security Bulletins and Security Advisories. This new service
provides notifications that are written for IT professionals and
contain technical information about the revisions to security
bulletins. To register visit the following Web site:

http://www.microsoft.com/technet/security/bulletin/notify.mspx

* Join Microsoft's webcast for a live discussion of the technical
details of these security bulletins and steps you can take
to protect your environment. Details about the live webcast
can be found at:

www.microsoft.com/technet/security/bulletin/summary.mspx

The on-demand version of the webcast will be available 24 hours
after the live webcast at:

www.microsoft.com/technet/security/bulletin/summary.mspx

* Protect your PC: Microsoft has provided information on how you
can help protect your PC at the following locations:

http://www.microsoft.com/security/protect/

If you receive an e-mail that claims to be distributing a
Microsoft security update, it is a hoax that may be distributing a
virus. Microsoft does not distribute security updates through
e-mail. You can learn more about Microsoft's software distribution
policies here:

http://www.microsoft.com/technet/security/topics/policy/swdist.mspx

Acknowledgments:
================
Microsoft thanks the following for working with us to protect
customers:

- - eEye Digital Security (http://www.eeye.com/html/)
for reporting with an issue described in MS06-018.

- - Xiao Chen of McAfee (http://www.mcafee.com/) for reporting an issue
described in MS06-018.

- - Kai Zhang of VenusTech (http://www.venustech.com.cn/) for reporting
an issue described in MS06-018.

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