The Microsoft May 2023 security updates have been released and consist of 38 new CVEs plus 11 CVEs in Chromium that were previously released for Edge and are now being documented in the Security Updates Guide. Of these CVEs, 7 are rated critical and 31 are rated important in severity. At the time of release, one is listed as being under active attack and two as publicly known.
See the list of KBs at the bottom of the page at May 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.
Reminder: 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.
Recommended Reading: See Dustin Childs review and analysis in Zero Day Initiative -- The May 2023 Security Update Review.
See the list of KBs at the bottom of the page at May 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.
Reminder: 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.
Recommended Reading: See Dustin Childs review and analysis in Zero Day Initiative -- The May 2023 Security Update Review.