Vulnerabilities in Intel CPUs: Microsoft releases unscheduled security update
Microsoft has released an unscheduled security update for Intel CPUs. It is intended to eliminate four vulnerabilities in Intel processors under Windows 10/11 and Server, which could lead to the compromise of confidential information.
According to BleepingComputer vulnerabilities in Intel processors were already discovered in June 2022. According to this, it was possible, for example, for processes running in one virtual machine to access data in another virtual machine. In June 2022, Microsoft also informed about the vulnerabilities in some Intel processors.
The now published updates can be According to ZDNet only manually, via the Microsoft Update Catalog. However, it is unknown whether Intel microcode will also be initiated with the security updates to minimize the impact of attacks on the four vulnerabilities. It is speculated that Microsoft will not automatically distribute the updates because they could lead to performance degradation.
The now-released updates for Windows 10 (versions 20H2, 21H2, and 22H2), Windows 11 (versions 21H2 and 22H2), and Windows Server 2016, 2019, and 2022 are available for update.
Source: ZDNet