A microcode_ctl bugfix update has been released for CentOS 7.

CEBA-2022:5996 CentOS 7 microcode_ctl BugFix Update

CentOS Errata and Bugfix Advisory 2022:5996

Upstream details at :   https://access.redhat.com/errata/RHBA-2022:5996

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
10ba9a38035d22f8a1ee9eb610447ad60ca74948c3e82cb712eb09cf97eeeceb microcode_ctl-2.1-73.14.el7_9.x86_64.rpm

Source:
03b31a4ce0180ace236e6e209bb4aca01a1e1f8fc2b407d095cf4ba07cc86667 microcode_ctl-2.1-73.14.el7_9.src.rpm