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 ...

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 ...

For an old CPU, finding all the valid instructions wasn’t very hard. You simply tried them all. Sure, really old CPUs might make it hard to tell what the instruction did, but once CPUs got illegal ...

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 ...

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 ...

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 has released a new set of Intel microcode updates for Windows 10 20H2, 2004, 1909, and older versions to fix bugs impacting multiple Intel CPU families. Microcode updates are released by ...

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 ...