Hardware changes might affect Windows 11 upgrade eligibility. A few steps need to be taken to see the updated eligibility in Settings. This article might also apply if messages in the PC Health Check app and the Windows Update page in Settings don't match.

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

Domain administrators can manually map certificates to a user in Active Directory using the altSecurityIdentities attribute of the users Object. There are six supported values for this attribute, with three mappings considered weak (insecure) and the other three considered strong.

Describes a security update that resolves a vulnerability in ASP.NET MVC that could allow security feature bypass if an attacker convinces a user to click a specially crafted link or to go to a webpage that contains specially crafted content.

To help secure your environment, install Windows updates released on or after November 8, 2022, to all devices, including domain controllers. See Change 1. To learn more about these vulnerabilities, see CVE-2022-37966. Discovering Explicitly Set Session Key Encryption Types.

This update provides latest updates for Windows Security platform, which is comprised of the Windows Security app and its underlying service. To obtain the current version of Windows Security app, please run powershell command below: Get-AppPackage Microsoft.SecHealthUI. Manually download the update. 64-Bit | ARM64.

To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed. You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

Microsoft is investigating whether consumer customers using Home or Pro editions of Windows are affected. Customers can temporarily resolve the issue by updating permissions (ACLs) on the affected directories. Follow these steps: Open PowerShell as an Administrator.

This can allow certain applications that were built to use the WinHTTP default flag to be able to leverage the newer TLS 1.2 or TLS 1.1 protocols natively without any need for updates to the application.

Learn how to protect yourself and how Microsoft Defender is helping to prevent fraud. See: National Public Data breach: What you need to know. The first hours of a newly installed Windows deployment can leave the system vulnerable because of a Microsoft Defender protection gap.