Microsoft releases Windows security updates for Intel CPU flaws

02-Mar-23

Memory Mapped I/O Stale Data (MMIO) information leakage vulnerabilities in Intel CPUs have been fixed by Microsoft with out-of-band security patches. Memory Mapped I/O Stale Data (MMIO) information leakage vulnerabilities in Intel CPUs have been fixed by Microsoft with out-of-band security patches.

On June 14th, 2022, Intel released a security advisory describing the Mapped I/O side-channel vulnerabilities, warning that if exploited, programmes operating in one virtual machine could access data from another virtual machine.

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