TLS 1.3 enabled by default in latest Windows 10 builds

Martin Brinkmann
Aug 23, 2020
Windows, Windows 10
|
13

Microsoft announced this week that it enabled TLS 1.3, the latest version of the security protocol, in the latest Windows 10 builds starting with build 20170.  The company notes that TLS 1.3 is enabled by default in IIS/HTTP.SYS, and that Microsoft Edge Legacy and Internet Explorer administrators may enable it in the Internet Options under Advanced.

The new Chromium-based Microsoft Edge browser supports TLS 1.3 out of the box according to Microsoft. It does not use the Windows TLS stack

Support for TLS 1.3 will also be added to .NET versions 5.0 and newer.

The enabling of TLS 1.3 in recent Windows 10 builds is the first step in the wider adoption of the security protocol on Windows 10. The company has not revealed when it plans to enable it in stable versions of Windows 10. It seems unlikely that TLS 1.3 will be enabled in the next feature update for Windows 10, Windows 10 version 20H2. A more likely candidate is Windows 10 version 21H1, the first feature update of the coming year; this would also coincide with the disabling of TLS 1.0 and 1.1 which Microsoft announced won't happen before Spring 2021.

The company announced plans to deprecate the older weaker security protocols TLS 1.0 and 1.1 in its Windows operating system in the first half of 2020. Other companies, Google, Mozilla and Apple in particular, also announced that they would remove support from their browsers. TLs 1.3 can be enabled in Chrome and Firefox already.

The global pandemic of 2020 delayed the removal of the older protocols and Microsoft noted in August 2020 that both protocols won't be disabled until Spring of 2021 at the earliest.

Update as of 8/14/2020: The plan to disable TLS 1.0/1.1 by default is being updated for Internet Explorer and Microsoft Edge Legacy. TLS 1.0 and TLS 1.1 will not be disabled by default for either browser until Spring of 2021 at the earliest. Organizations that wish to disable TLS 1.0 and TLS 1.1 before that time may do so using Group Policy.

TLs 1.3 promises better security and performance over older protocols. Microsoft recommends that developers start to test TLS 1.3 in their applications and services as soon as possible. The Windows 10 stack will support three cipher suites to reduce complexity and to guarantee "certain security properties".

The supported cipher suites are:

  1. TLS_AES_128_GCM_SHA256
  2. TLS_AES_256_GCM_SHA384
  3. TLS_CHACHA20_POLY1305_SHA256

The third cipher suite is not enabled by default.

The protocol enables encryption earlier in the handshake, providing better confidentiality and preventing interference from poorly designed middle boxes. TLS 1.3 encrypts the client certificate, so client identity remains private and renegotiation is not required for secure client authentication.

Now You: Does your browser / operating system support TLS 1.3 already?

Summary
TLS 1.3 enabled by default in latest Windows 10 builds
Article Name
TLS 1.3 enabled by default in latest Windows 10 builds
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Microsoft announced this week that it enabled TLS 1.3, the latest version of the security protocol, in the latest Windows 10 builds starting with build 20170. 
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Comments

  1. Dan Donx said on January 15, 2023 at 10:29 am
    Reply

    What mental age of reader are you targeting with the first sentence? 10?

    Why not write an article on how to *avoid* upgrading from W10 to W11. Analogous to those like me who avoided upgrading from 7 to 10 for as long as possible.

    If your paymaster Microsoft permits it, of course.

  2. Dexter said on January 15, 2023 at 11:14 am
    Reply

    5. Rufus
    6. Ventoy

    PS. I hate reading these “SEO optimized” articles.

    1. cdr said on January 15, 2023 at 3:32 pm
      Reply

      I used Rufus to create an installer for a 6th gen intel i5 that had MBR. It upgraded using Setup. No issues except for Win 11 always prompting me to replace my local account. Still using Win 10 Pro on all my other PCs to avoid the bullying.

  3. sv said on January 15, 2023 at 6:40 pm
    Reply

    bit pointless to upgrade for the sake of upgrading as you never know when you’ll get locked out because ms might suddenly not provide updates to unsupported systems.

    ps…. time travelling?
    written. Jan 15, 2023
    Updated • Jan 13, 2023

    1. Martin Brinkmann said on January 16, 2023 at 5:49 am
      Reply

      This happens when you schedule a post in WordPress and update it before setting the publication date.

  4. Anonymous said on January 16, 2023 at 8:24 am
    Reply

    Anyone willing to downgrade to this awful OS must like inflicting themselves with harm.

  5. basingstoke said on January 16, 2023 at 11:18 am
    Reply

    I have become convinced now that anybody who has no qualms with using Windows 11/10 must fit into one of the following brackets:

    1) Too young to remember a time before W10 and W11 (doesn’t know better)

    2) Wants to play the latest games on their PC above anything else (or deeply needs some software which already dropped W7 support)

    3) Doesn’t know too much about how computers work, worried that they’d be absolutely lost and in trouble without the “”latest security””

    4) Microsoft apologist that tries to justify that the latest “features” and “changes” are actually a good thing, that improve Windows

    5) Uses their computer to do a bare minimum of like 3 different things, browse web, check emails, etc, so really doesn’t fuss

    Obviously that doesn’t cover everyone, there’s also the category that:

    6) Actually liked W7 more than 10, and held out as long as possible before switching, begrudgingly uses 10 now

    Have I missed any group off this list?

    1. Heinz Strunk said on September 19, 2023 at 3:57 pm
      Reply

      You have missed in this group just about any professional user that uses business software like CAD programs or ERP Programs which are 99% of all professional users from this list.

      Linux doesn’t help anyone who is not a linux kid and apple is just a fancy facebook machine.

  6. ilev said on August 24, 2023 at 7:34 pm
    Reply

    Microsoft has removed KB5029351 update

    1. EP said on August 24, 2023 at 9:21 pm
      Reply

      only from windows update though
      KB5029351 is still available from the ms update catalog site

  7. Anonymous said on August 24, 2023 at 11:05 pm
    Reply

    1. This update is labaled as PREVIEW if it causes issues to unintelligent people, then they shouldn’t have allowed Preview updates ot install.

    2. I have installed it in a 11 years old computer, and no problems at all.

    3. Making a big drama over a bluescreen for an updated labeled as preview is ridiculous.

    This is probably another BS internet drama where people ran programs and scripts that modified the registry until they broke Windows, just for removing stuff that they weren’t even using just for the sake of it.
    Maybe people should stop playing geeks and actually either use Windows 10 or Windows 11, but don’t try to modify things just for the sake of it.

    Sometimes removing or stopping things (like defender is a perfect example) only need intelligence, not scripts or 3rd party programs that might mess with windows.

  8. john said on August 24, 2023 at 11:17 pm
    Reply

    Windows 11 was a pointless release, it was just created because some of the Windows team wanted to boost sales with some sort of new and improved Windows 10. Instead, Microsoft cannot support one version well let alone two.

    1. John G. said on August 25, 2023 at 12:08 pm
      Reply

      Windows 11 is the worst ugly shame by Microsoft ever. They should release with every new W11 version a complete free version of Starallback inside just to make this sh** OS functionally again.

  9. EP said on August 25, 2023 at 3:10 pm
    Reply

    motherboard maker MSI has recently released a statement regarding the “unsupported processor” blue screen error for their boards using Intel 600/700 series chipsets & to avoid the KB5029351 Win11 update:
    https://www.msi.com/news/detail/MSI-On–UNSUPPORTED-PROCESSOR–Error-Message-of-Windows-11-Update-KB5029351-Preview-142215

  10. EP said on August 29, 2023 at 7:32 pm
    Reply

    check out the following recent articles:

    Neowin – Microsoft puts little blame on its Windows update after UNSUPPORTED PROCESSOR BSOD bug:
    https://www.neowin.net/news/microsoft-puts-little-blame-on-its-windows-update-after-unsupported-processor-bsod-bug/

    BleepingComputer – Microsoft blames ‘unsupported processor’ blue screens on OEM vendors:
    https://www.bleepingcomputer.com/news/microsoft/microsoft-blames-unsupported-processor-blue-screens-on-oem-vendors/

  11. Leonard Britvolli said on August 30, 2023 at 10:33 pm
    Reply

    While there may be changes or updates to the Windows 10 Store for Business and Education in the future, it is premature to conclude that it will be discontinued based solely on rumors.

  12. sembrador said on September 5, 2023 at 9:32 pm
    Reply

    My advice, I left win 15 years ago. Now I’m a happy linux user (linuxmint) but there is Centos, Fedora, Ubuntu depending on your needs.

  13. EP said on September 6, 2023 at 11:55 am
    Reply

    motherboard maker MSI has recently released new BIOS/firmware updates for their Intel 600 & 700 series motherboards to fix the “UNSUPPORTED_PROCESSOR” problem (Sept. 6):

    https://www.msi.com/news/detail/Updated-BIOS-fixes-Error-Message–UNSUPPORTED-PROCESSOR–caused-BSOD-on-MSI-s-Intel-700-and-600-Series-Motherboards-142277

  14. Raphael Benzo said on September 24, 2023 at 9:52 pm
    Reply

    I try to disable the Diagnostics Tracking Service (Connected Devices Platform User Services) but it wont let me disable it, any help will be greatly appreciated.
    Tank you for your help

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