HomeWinBuzzer NewsMicrosoft Fixes Broken Windows 11 2022 Update Security Patch

Microsoft Fixes Broken Windows 11 2022 Update Security Patch

Microsoft is sending out KB5018496 to fix a Windows 11 2022 Update regarding an issue with SSL/TLS handshakes.

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is rolling out an out-of-band update for 2022 Update that fixes an SSL/TLS handshake problem caused by this month's update. This known issue was causing failures in SSL/TLS handshakes for client and server versions of Windows 11 (22H2).

The update that caused the issues was a Windows security update that landed on October 11 alongside the overall Patch Tuesday releases. It resulted in affected Windows 11 2022 Update devices seeing the error SEC_E_ILLEGAL_MESSAGE within apps that are connected to servers.

Microsoft is now sending out KB5018496 preview cumulative update to remedy the problem:

“We address an issue that might affect some types of Secure Sockets Layer (SSL) and Transport Layer Security (TLS) connections. These connections might have handshake failures,” Microsoft reports.

“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.”

KB5018496 is a preview and is optional, so you will need to grab it manually if you need the fix. To do just that, on your Windows 11 device head to Settings > Windows Update and then “Check for Updates”. Choose the optional KB5018496 from the available updates list.

Updating Older Windows Versions

At the same time, Microsoft is also issuing standalone updates for older Windows versions. These out-of-band releases fix the same problem across the following Windows builds:

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SourceMicrosoft
Luke Jones
Luke Jones
Luke has been writing about all things tech for more than five years. He is following Microsoft closely to bring you the latest news about Windows, Office, Azure, Skype, HoloLens and all the rest of their products.
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