Security News > 2021 > January > Office January security updates fix remote code execution bugs
Microsoft addresses important severity remote code execution vulnerabilities affecting multiple Office products in the January 2021 Office security updates released during this month's Patch Tuesday.
In total, this month the company released 26 security updates and 5 cumulative updates for 7 different products, fixing 11 vulnerabilities that could allow attackers to escalate privileges or execute arbitrary code remotely on systems running vulnerable software.
Microsoft also released non-security Microsoft Office updates last week addressing recurrent Outlook crashes and other issues impacting Windows Installer editions of Office 2016 products.
Non-security Windows updates were also released on Tuesday with the Windows 10 KB4598229 and KB4598242 cumulative updates.
Office security updates published as part of the January 2021 Patch Tuesday address bugs exposing Windows systems running vulnerable Click to Run and Microsoft Installer-based editions of Microsoft Office products to remote code execution attacks.
Microsoft Office security updates are delivered through the Microsoft Update platform and via the Download Center.