MC552655 – Take action: Additional guidance and manual steps required for devices using Secure Boot to address CVE-2023-24932

Admin impact, Major update, Prevent Or Fix Issue, Windows

check before: 2023-05-23

Product:

Office 365 general

Platform:

World tenant, Windows Desktop

Status:

Change type:

Admin impact

Links:

Details:

Security updates released May 9, 2023 and later contain security hardening changes to protect against vulnerabilities tracked by CVE-2023-24932 that can bypass the Secure Boot security feature using the BlackLotus UEFI bootkit. These hardening changes are available, but not enabled by default in these updates.

When will this happen:
Updates released May 9, 2023 and later contain protections required to address CVE-2023-24932. The security hardening for CVE-2023-24932 will be done in phases, as steps must be taken to prevent issues on your device when the revocations are applied/enabled.

Change Category:
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Scope:
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Release Phase:

Created:
2023-05-10

updated:
2023-05-10

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