Microsoft January 2023 Security Updates

Corrine · Jan 10, 2023

The Microsoft January 2023 security updates have been released and consist of 98 new CVEs. Of these CVEs, 11 are rated critical and 87 are rated important in severity. At the time of release, one is listed as publicly known and one as being in the wild.

See the long list of KBs at the bottom of the page at January 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.

Important:

Windows 8.1 has reached the end of support today. The December 13, 2022 security update was the last update available for this version. Devices running this version will no longer receive monthly security and quality updates.

In addition, Windows 10 21HW has reached the end of service today as well as Extended Security Updates (ESU) for Windows 7 Professional and Enterprise users today.

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

Corday · Jan 10, 2023

Looks like no .NET Framework update this month unless it's delayed.

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Microsoft January 2023 Security Updates

Corrine

Administrator,
Microsoft MVP,
Security Analyst

Corday

Moderator

Microsoft January 2023 Security Updates

Corrine

Administrator, Microsoft MVP, Security Analyst

Corday

Moderator

Administrator,
Microsoft MVP,
Security Analyst