Your MCU Likely Escaped the eMudhra Intermediate CA Compromise

If you are a software engineer, or generally work in the tech industry, there is a good chance that you heard about the eMudhra Intermediate CA Compromise that was disclosed yesterday (October 20, 2026). If you don’t, you may have noticed an uptick in software updates for various products that you use. I won’t go through the entire background of the situation as there are plenty of other posts, including the now public bug report from Mozilla, that describe the details of the compromise.