Execute Disable Bit for Intel® Processors

Documentation

Compatibility

000005771

04/06/2021

The Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks, and prevent harmful software from executing and propagating on the server or network.

The bit is located in the processor specification page (ARK), under the security and reliability.

  1. Go to Intel Product Information.
  2. Enter the processor number in the search box. To get the number of the processors, refer to How to Identify my Intel® Processor.
  3. In the product page of the processor, go to Security and Reliability section and find the Execute Disable Bit field as shown below.

  4. Security and Reliability

 

Note Newer processors such as 11th Generation Intel® Core™ Processors consider the Execute Disable Bit feature to be Legacy and thus it may not be listed in the processor specification page (ARK). However, it is still supported.