Microsoft is aware of a new publicly disclosed class of vulnerabilities referred to as “speculative execution side-channel attacks” that affect many modern processors and operating systems including Intel, AMD, and ARM. Note: this issue will affect other systems such as Android, Chrome, iOS, MacOS, so we advise customers to seek out guidance from those vendors.

Microsoft has not received any information to indicate that these vulnerabilities have been used to attack customers at this time.

For more details, please see
https://portal.msrc.microsoft.com/en...sory/ADV180002