Exchange 2010-2016 Security Fixes

released to fix a remote code execution in
Exchange Server. The related knowledge base article is KB4018588.

More information is contained in the following Common Vulnerabilities and Exposures articles:

  • CVE-2017-8521 ā€“ Scripting Engine Memory Corruption Vulnerability
  • CVE-2017-8559 ā€“ Microsoft Exchange Cross-Site Scripting Vulnerability
  • CVE-2017-8560 ā€“ Microsoft Exchange Cross-Site Scripting Vulnerability

Depending on the lifecycle status of the product, fixes are made available either through a Rollup or as a security fix for the following product levels:

As you might notice, the security fix is made available for the N-1 builds of and . This could imply the was addressed in the latest builds of those products. I hope to receive official confirmation on this soon.

The issue is deemed Important, which means organizations are advised to apply these updates at the earliest opportunity. However, as with any , it is recommended to thoroughly test updates and fixes prior to deploying them in a production environment.