KB5020435 Out-of-band Update for Windows 10

KB5020435 Out of band Update for Windows 10
KB5020435 Out of band Update for Windows 10

Microsoft has released a new out-of-band update for Windows 10 to the public. The update brings the following changes, which you can read more about below. After installing the new KB5020435, your build number becomes 19042.2132, 19043.2132, 19044.2132, or 19045.2132.

Note Microsoft: All editions of Windows 10, version 21H1 will reach the end of service on December 13, 2022. After December 13, 2022, these devices will not receive monthly security and quality updates. These updates contain protection from the latest security threats. To continue receiving security and quality updates, we recommend that you update to the latest version of Windows.

Changelog KB5020435 Out-of-band Update for Windows 10

  • 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. 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 your image does not have the March 22, 2022 (KB5011543) or later LCU, you must install the special standalone May 10, 2022 SSU (KB5014032) before installing this update.

Download: x86-KB5020435
Download: x64-KB5020435
Download: arm-KB5020435