# Microsoft’s Secure Boot Has Been Vulnerable for a Decade Researchers discovered a critical flaw in Microsoft’s security standard. - **Source:** [cybersecurity](https://brifing.si/source/57fea5eb-f11e-4b81-bc15-114313a8bd59) - **Published:** 2026-07-15 - **Topic:** [Software & Engineering](https://brifing.si/c/engineering) - **Original article:** - **On Brifing:** https://brifing.si/s/b174bed2-bec7-47a6-881e-49bb7b397d05 ## What is Secure Boot? Microsoft’s Secure Boot was designed to protect Windows and Linux devices from firmware infections. However, this system has had a serious security flaw for a long time. ## How Was the Vulnerability Discovered? ESET researchers examined 11 firmware images, including at least one from 2013. Despite known defects, these images were still signed by Microsoft. ## Impact of the Vulnerability This security flaw could allow malicious software to easily infiltrate devices. This situation puts millions of users at risk. ## Microsoft’s Response Microsoft has yet to make an official statement regarding this vulnerability. However, it is expected that the issue will be resolved with security updates. ## What Should Users Do? Users should keep their device firmware up to date and apply security patches immediately. This is crucial to prevent potential attacks. ## Future Security Measures This incident once again highlighted the need for continuous review of security standards. Firmware signing processes must be more strictly controlled. ## Sources covering this story - https://www.reddit.com/r/cybersecurity/comments/1uwz3b1/microsofts_secure_boot_has_been_broken_for_a/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._