How to manage the Windows Boot Manager revocations for Secure ...
May 9, 2023 · CAUTION After the mitigation for this issue is enabled on a device, meaning the mitigations have been applied, it cannot be reverted if you continue to use Secure Boot on that …
Chapter 22. Updating the Secure Boot Revocation List - Red Hat
You can update the UEFI Secure Boot Revocation List on your system so that Secure Boot identifies software with known security issues and prevents it from compromising your boot …
UEFI Revocation List File - Unified Extensible Firmware Interface
UEFI Revocation List File Access to the UEFI Revocation List files The files used to update the Secure Boot Forbidden Signature Database, dbx were hosted on this page for years. In 2024, …
Update or view the UEFI Secure Boot forbidden signature list ...
Nov 26, 2025 · The UEFI revocation list file, available at UEFI Revocation List File, contains the now-revoked signatures of previously approved and signed firmware and software used in …
Action Required: Update IGEL OS on Devices Before October 14 ...
On October 14, 2025, Microsoft will deliver an updated Secure Boot revocation list. Once applied, this update will prevent IGEL OS versions prior to 11.10.410 (OS 11) and 12.7.0 (OS 12) from …
How do I just block/prevent the Secure Boot update, without ...
Nov 28, 2024 · KB5016061: Secure Boot DB and DBX variable update events KB5016061: Secure Boot DB and DBX variable update events - Microsoft Support "To help keep Windows …
Changes to Windows Boot Manager revocations for Secure Boot ...
Aug 27, 2024 · Follow the new guidelines to deploy changes across enterprises and understand how the new Windows Boot Manager self-revocation works. These new guidelines are part of …
Script: Apply Windows Boot Manager revocations for Secure ...
May 22, 2023 · If the Secure Boot update needs to be applied, the script will apply the new revocation file, mark a Secure Boot DBX update as being available and restart the computer 1 …