Microsoft January 2024 Patch Tuesday fixes 49 flaws, 12 RCE bugs


Today is Microsoft’s January 2024 Patch Tuesday, which includes security updates for a total of 49 flaws and 12 remote code execution vulnerabilities.

Only two vulnerabilities were classified as critical, with one being a Windows Kerberos Security Feature Bypass and the other a Hyper-V RCE. 

The number of bugs in each vulnerability category is listed below:

  • 10 Elevation of Privilege Vulnerabilities
  • 7 Security Feature Bypass Vulnerabilities
  • 12 Remote Code Execution Vulnerabilities
  • 11 Information Disclosure Vulnerabilities
  • 6 Denial of Service Vulnerabilities
  • 3 Spoofing Vulnerabilities 

The total count of 49 flaws does not include 4 Microsoft Edge flaws fixed on January 5th.

To learn more about the non-security updates released today, you can review our dedicated articles on the new Windows 11 KB5034123 cumulative update and Windows 10 KB5034122 update.

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