Provides a link to Microsoft Security Advisory: Incorrectly issued digital certificates could allow spoofing.

If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

We will continue to post these release notes, even when the noticeable changes to the UI are minimal or behind the scenes, so you’re aware when updates are coming to your device. Details can be found in the links below! Note The release notes linked below are only for preview builds that are available by participating in the Xbox Insider Program.

Resolves vulnerabilities in Windows that could allow spoofing if the attacker gains access to the certificate that is used by the end-user for authentication.

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When you send a digitally-signed macro or document, you also send your certificate and public key. Certificates are issued by a certification authority, and like a driver’s license, can be revoked.

Resolves a vulnerability in the Secure Channel (SChannel) security package in Windows that could allow spoofing if an attacker gains access to the certificate that is used by the end-user for authentication.

This hotfix resolves this issue for any new client certificates that are generated. To correct the current certificates, run the CCMCertFix utility that is in this package on all the Configuration Manager SP1 clients and on all the Configuration Manager SP2 clients.

Resolves a reported vulnerability that could allow spoofing in implementations of DNS.