Microsoft Security Response Center Blog Alerts

We are republishing this OpenSSL CVE to document that the latest version Microsoft Defender for Endpoint has been updated to protect against this OpenSSL library vulnerability.

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The following updates have been made: 1) To comprehensively address this vulnerability, Microsoft has released October 2024 security updates for all affected client versions of Windows 10 and Windows 11, Windows Server 2016, Windows Server 2019, and Windows Server 2022. Microsoft recommends that customers install the updates to be fully protected from the vulnerability. Customers whose systems are configured to receive automatic updates do not need to take any further action.2) FAQ added to explain further recommended actions to take after installing the November 2024 security update: This update affects a component of Virtualization-based Security (VBS). The policy mitigations described in [KB5042562: Guidance for blocking rollback of Virtualization-based Security (VBS) related security updates – Microsoft Support](https://support.microsoft.com/en-us/topic/kb5042562-guidance-for-blocking-rollback-of-virtualization-based-security-vbs-related-security-updates-b2e7ebf4-f64d-4884-a390-38d63171b8d3) have been updated to accommodate these changes. If you have previously applied the mitigation policies, we recommend that you consider updating to the latest policies.

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