Inside every modern CPU since the Intel Pentium fdiv bug, assembly instructions aren’t a one-to-one mapping to what the CPU actually does. Inside the CPU, there is a decoder that turns assembly into ...

Opinion All malicious attacks on digital systems have one common aim: taking control. Mostly, that means getting a CPU somewhere to turn traitor, running code that silently steals or scrambles your ...

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 ...

Last month, the Google Security Team identified a security vulnerability in AMD's CPUs ranging from Zen 1 to Zen 4 dubbed "EntrySign" that allowed malicious users with ring 0 access to load unsigned ...

Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are ...

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Chipzilla’s latest "0x114" microcode update appears unable to resolve persistent performance issues plaguing its Arrow Lake-S processors. Recent benchmarks have revealed further degradation making ...

Intel and its partners have begun rolling out the microcode update that will fix stability and degradation issues with 13th and 14th Gen Intel Core desktop CPUs. The update arrived slightly ahead of ...

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 ...

Intel reports that it has developed a stable microcode update to address the Spectre flaw for its Skylake, Kaby Lake, and Coffee Lake processors in all their various variants. The microcode updates ...