The upgrade action can be triggered by running the SharePoint Products Configuration Wizard, the Upgrade-SPFarm PowerShell cmdlet, or the 'psconfig.exe -cmd upgrade -inplace b2b' command on each SharePoint server after installing the update.Īdditionally, CVE-2023-21742 and CVE-2023-21744 were also Sharepoint vulnerabilities that got fixed. Once the latest updated have been applied Microsoft mentions that additional steps are still required to fully secure your Sharepoint:Ĭustomers must also trigger a SharePoint upgrade action included in this update to protect their SharePoint farm. Microsoft has listed it as one of the critical vulnerabilities and has listed that exploitation is more likely. While the CVSS base score is quite low at 5.3. The most severe issue addressed this month is a Sharepoint vulnerability, CVE-2023-21743. ⚡ TL DR | Go Straight to the January 2023 Patch Tuesday Audit Report Microsoft SharePoint Server Security Feature Bypass Vulnerability We've listed the most important changes below. The January 2023 edition of Patch Tuesday brings us 101 fixes, with 11 rated as critical.

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