October 18, 2022—KB5020440 (OS Build 10240.19509) Out-of-band
Applies To
Windows 10Release Date:
18/10/2022
Version:
OS Build 10240.19509
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 theHighlights
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It addresses an issue that might affect some types of Secure Sockets Layer (SSL) and Transport Layer Security (TLS) connections. These connections might have handshake failures. For developers, the affected connections are likely to receive one or more records followed by a partial record with a size of less than 5 bytes within a single input buffer. If the connection fails, your app will receive the error, “SEC_E_ILLEGAL_MESSAGE”.
Improvements
This non-security update includes quality improvements. When you install this KB:
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It addresses an issue that might affect some types of Secure Sockets Layer (SSL) and Transport Layer Security (TLS) connections. These connections might have handshake failures. For developers, the affected connections are likely to receive one or more records followed by a partial record with a size of less than 5 bytes within a single input buffer. If the connection fails, your app will receive the error, “SEC_E_ILLEGAL_MESSAGE”.
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.
Known issues in this update
Symptom |
Workaround |
---|---|
On October 5, 2022, the Jordanian government made an official announcement ending the winter-time Daylight Saving Time (DST) time zone change. Starting at 12:00 a.m. Friday, October 28, 2022, the official time will not advance by an hour and will permanently shift to the UTC + 3 time zone. The impact of this change is as follows:
Symptoms if no update is installed and the workaround is not used on devices in the Jordan time zone on October 28, 2022 or later:
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This issue is addressed in KB5019970. |
How to get this update
Before installing 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 (KB5014024) 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
Release Channel |
Available |
Next Step |
Windows Update and Microsoft Update |
No |
See the options below. |
Windows Update for Business |
No |
See the options below. |
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Windows Server Update Services (WSUS) |
No |
See the options above. |
File information
For a list of the files that are provided in this update, download the file information for cumulative update 5020440.