Hey there, tech lovers! Today, let’s dive into some fascinating security news that reveals how hackers can bypass one of the most trusted protections on your devices: Secure Boot.

Researchers uncovered two exploits in the wild that can completely sidestep Secure Boot, a vital safeguard that ensures your device loads only trusted operating system images during startup. Microsoft has already patched one of these vulnerabilities but is leaving the other open, which is quite a concern.

Securing your device’s boot process is crucial because it prevents malware from sneaking in before your OS launches. However, these exploits weaken those defenses, especially since they target flaws in firmware-related components that can be remotely exploited or accessed physically. Microsoft addressed the CVE-2025-3052 vulnerability, affecting many devices from various manufacturers, by adding specific blocks to the system’s trust database.

The core issue traces back to a module used for flashing firmware on rugged devices produced by DT Research. Although meant for a specific purpose, it is executed during startup on most Windows and Linux machines because it’s signed with a Microsoft certificate, making it trusted universally. Attackers can exploit this to disable Secure Boot and install malicious software that runs even before the OS.

Another exploit, CVE-2025-47827, discovered by researcher Zack Didcott, affects the Linux-based OS IGEL. Certain versions fail to properly verify signatures in a component for flashing firmware, allowing malware installation if physical access is available. This vulnerability hinges on trusting signatures signed by Microsoft, which many systems do.

While patches have been deployed for some of these flaws, the overall picture is a reminder that no security measure is foolproof. Physical device security remains essential, but these exploits highlight the need for continuous vigilance and better firmware security practices across the board.