Download Security Update for Word Viewer (KB4011641) from Official Microsoft Download Center

Two Surface Book 2 laptops in different positions

Surface Book 2

Powerhouse performance in the ultimate laptop

Person using Power BI Desktop

Power BI

Transform data into actionable insights with dashboards and reports

Security Update for Word Viewer (KB4011641)

Important! Selecting a language below will dynamically change the complete page content to that language.

Select Language:
A security vulnerability exists in Word Viewer that could allow arbitrary code to run when a maliciously modified file is opened. This update resolves that vulnerability.