My understanding was that a CPU microcode update is stored in non-volatile memory on the motherboard and is loaded by the BIOS or UEFI into volatile memory on the CPU during boot. And because the ...

Microsoft announced this week that it made available some Intel Skylake microcode updates that address Spectre variant 2 types of attacks for the Windows 10 Fall creators update (version 1709). Most ...

What just happened? AMD has confirmed a security vulnerability in some of its processors, which was inadvertently revealed through a beta BIOS update from Asus. The flaw, described as a "microcode ...

Intel's Raptor Lake CPUs have been exhibiting instability for quite some time now, and the company has begun to take steps to address it this year. Several updates have been announced in the past few ...

Microsoft announced on Tuesday that it removed an anti-virus compatibility check for some Windows 10 version 1709 devices, and it expanded some Spectre microcode approvals. The anti-virus ...

Canonical has released a new Linux Intel microcode update for Ubuntu that fixes an issue causing Intel Skylake CPUs to hang after a warm reboot. On November 12th, 2019, new Intel microcodes were ...

Continuing his reverse-engineering of the Intel 8087, [Ken Shirriff] covers the conditional tests that are implemented in the microcode of this floating point processing unit (FPU). This microcode ...

Microsoft has released a new batch of Intel microcode updates for Windows 10 2004, 1909, 1903, and older versions to fix hardware bugs in Intel CPUs. When Intel finds bugs in their CPUs, they release ...

When homebrewing a CPU, one has to deal with microcode. Microcode is the low-level nuts and bolts of how, precisely, a CPU executes instructions (like opcodes) and performs functions such as updating ...