July 9, 2024—KB5040448 (OS Build 10240.20710)
Applies To
Windows 10Release Date:
9/07/2024
Version:
OS Build 10240.20710
12/8/20 types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1507, see its update history page.
For information about Windows update terminology, see the article about theImportant: Windows updates do not install Microsoft Store application updates. If you are an enterprise user, see Microsoft Store apps - Configuration Manager. If you are a consumer user, see Get updates for apps and games in Microsoft Store.
Highlights
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This update addresses security issues for your Windows operating system.
Improvements
This security update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.
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[Republic of Turkey name] The new, official name is the Republic of Türkiye.
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[Remote Authentication Dial-In User Service (RADIUS) protocol] This issue is related to MD5 collisions. For more information, see KB5040268.
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[BitLocker] This update adds PCR 4 to PCR 7 and 11 for the default Secure Boot validation profile. See CVE-2024-38058 for more information.
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.
For more information about security vulnerabilities, please refer to the new Security Update Guide website and the July 2024 Security Updates.
Known issues in this update
Symptom |
Workaround |
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After installing the July 9, 2024, Windows security update, you might see a BitLocker recovery screen upon starting up your device. This screen does not commonly appear after a Windows update. You are more likely to face this issue if you have the Device Encryption option enabled in Settings under Privacy & Security > Device encryption. Because of this issue, you might be prompted to enter the recovery key from your Microsoft account to unlock your drive |
This issue is addressed in KB5041782. |
How to get this update
Before you install this update
Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security updates. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
If you are using Windows Update, the latest SSU (KB5040566) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
Install this update
To install this update, use one of the following Windows and Microsoft release channels.
Available |
Next Step |
Yes |
None. This update will be downloaded and installed automatically from Windows Update and Microsoft Update. |
Available |
Next Step |
Yes |
None. This update will be downloaded and installed automatically from Windows Update for Business in accordance with configured policies. |
Available |
Next Step |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Available |
Next Step |
Yes |
This update will automatically sync with Windows Server Update Services (WSUS) if you configure Products and Classifications as follows: Product: Windows 10 Classification: Security Updates |
File information
For a list of the files that are provided in this update, download the file information for cumulative update 5040448.