Microsoft Defender Update for Windows Operating System Installation Images is a monthly update to patch your operating system images and protect you from malware and viruses when deploying your images when your images are over a month old.

Microsoft Defender Update for Windows Operating System Installation Images updates the anti-malware client, anti-malware engine, and signature versions in the OS installation images for Windows 10 (Enterprise, Pro, and Home editions), Windows Server 2019, and Windows Server 2016. This package also includes the latest security intelligence update available up to the date of release.

Install:
PS C:> DefenderUpdateWinImage.ps1 - WorkingDirectory -Action AddUpdate - ImagePath -Package

Remove or rollback:
PS C:> DefenderUpdateWinImage.ps1 - WorkingDirectory -Action RemoveUpdate - ImagePath

List details of the update:
PS C:> DefenderUpdateWinImage.ps1 - WorkingDirectory -Action ShowUpdate - ImagePath

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