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Microsoft February 2023 Security Updates


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The Microsoft February 2023 security updates have been released and consist of 75 new CVEs.  Of these CVEs, 9 are rated critical and 66 are rated important in severity.  At the time of release, two are listed as publicly known and none as being in the wild.


See the long list of KBs at the bottom of the page at February 2023 Security Updates - Release Notes - Security Update Guide - Microsoft for information regarding known issues with the security updates as well as the CVEs with FAQs, Mitigations and/or Workarounds.




After March 2023, there are no more optional, non-security preview releases for the supported editions of Windows 10, version 20H2 and Windows 10, version 21H2. Only cumulative monthly security updates (known as the "B" or Update Tuesday release) will continue for these versions. Windows 10, version 22H2 will continue to receive security and optional releases.


Also, as of today, the retired, out-of-support Internet Explorer 11 desktop application will be permanently turned off using a Microsoft Edge update on certain versions of Windows 10. See the Internet Explorer 11 desktop app retirement FAQ for more information.


Recommended Reading: See Dustin Childs review and analysis in Zero Day Initiative -- The February 2023 Security Update Review.

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