This security update resolves a spoofing vulnerability that exists when Office Online does not validate origin in cross-origin communications handlers correctly. To learn more about the vulnerability, see the following security advisories:
This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.
To get the standalone package for this update, go to the Microsoft Update Catalog website.
You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.
For deployment information about this update, see security update deployment information: November 12, 2019.
This security update replaces previously released security update 4475595.
File name | SHA1 hash | SHA256 hash |
---|---|---|
wacserver2019-kb4484141-fullfile-x64-glb.exe | 40327E2F21EC02766F5AD208DC18837896DA953B | D9F19DC0B0DAA0CC981C8154E5769301A503C581349886B7C548082BAB0F304B |
File informationDownload the list of files that are included in security update 4484141.
Help for installing updates: Protect yourself online
Help for protecting your Windows-based computer from viruses and malware: Microsoft Security
Local support according to your country: International Support