In a keynote address at this year's Worldwide Partner Conference, Microsoft's No. 2 exec emphasizes commitment to security of customer information.
The update will prevent the spoofed certificates from being used in man-in-the-middle attacks.
The lawyer and journalist responsible for providing many of the details on government surveillance from Edward Snowden conducted an online Q&A on Wednesday.
Microsoft's monthly security update comes with fixes for 29 flaws and includes three updated security advisories.