Microsoft has just released the January 2025 Patch Tuesday updates for Windows 11 and Windows 10, which only include security fixes.

Patch Tuesday fixes BYOVD attack with Windows Kernel Vulnerable Driver Blocklist file. Windows 11 24H2 update causes issues with Roblox on Arm devices, requiring a launcher from the official website.

The January 2025 security update for Windows 11, version 24H2 expands the list of vulnerable drivers that could be used in Bring Your Own Vulnerable Driver attacks. BYOVD Vulnerabilities in kernel drivers could allow threat actors to sneak malware into the kernel.

Microsoft has focused its January 2025 patch tuesday cycle on fixing critical Hyper-V and OLE flaws, securing virtualized environments and enterprise workflows.

All three zero-day vulnerabilities have a CVSS score of 7.8 and could allow an attacker to gain system privileges.

Yesterday was January’s big Patch Tuesday, where Microsoft rolled out a big bundle of security updates across several apps and services, eliminating 159 security vulnerabilities. This is the most extensive Patch Tuesday of the last few years with more than double the usual number of fixed security flaws.