Acer has fixed a high-severity vulnerability affecting multiple laptop models that could enable local attackers to deactivate UEFI Secure Boot on targeted systems. The Secure Boot security feature ...

The vulnerabilities were introduced when Lenovo inadvertently included an early development driver in the commercial versions of their software. Lenovo has released fixes for high-severity bios ...

One of those was UEFI Secure Boot, a mechanism for verifying PC bootloaders to ensure that unverified software can’t be loaded at startup. Secure Boot was enabled but technically optional for Windows ...

Find the Secure Boot option and change it to Disabled. Save the changes and reboot again. We recommend keeping Secure Boot enabled unless you're sure it needs to be disabled. This article explains how ...

Lenovo has fixed two high-severity vulnerabilities impacting various ThinkBook, IdeaPad, and Yoga laptop models that could allow an attacker to deactivate UEFI Secure Boot. UEFI Secure Boot is a ...

Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.