February 10, 2026—KB5075912 (OS Builds 19045.6937 and 19044.6937)

February 10, 2026—KB5075912 OS Builds 19045.6937 and 19044.6937 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot...

January 17, 2026—KB5077797 (OS Build 22631.6494) Out-of-band

January 17, 2026—KB5077797 OS Build 22631.6494 Out-of-band ​​​​This out-of-band update for Windows 11, version 23H2 KB5077797 is cumulative. It includes updates from previous security releases, along with an additional fix. To learn more about differences between security updates, optional...

April 9, 2024—KB5036910 (OS Build 25398.830)

April 9, 2024—KB5036910 OS Build 25398.830 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows Server, version 23H2, see its update history page. Improvements This security update...

Force firmware code to be measured and attested by Secure Launch on Windows 10

You cannot build something great on a weak foundation – and security is no exception. Windows is filled with important security features like Hypervisor-protected code integrity HVCI and Windows Defender Credential Guard that protect users from advanced hardware and firmware attacks. For these...

[SECURITY] Fedora 19 Update: tboot-1.8.2-1.fc19

Trusted Boot tboot is an open source, pre-kernel/VMM module that uses Intel Trusted Execution Technology Intel TXT to perform a measured and verified launch of an OS kernel/VMM...

[SECURITY] Fedora 20 Update: tboot-1.8.2-1.fc20

Trusted Boot tboot is an open source, pre-kernel/VMM module that uses Intel Trusted Execution Technology Intel TXT to perform a measured and verified launch of an OS kernel/VMM...