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Microsoft Defender for Endpoint · Release

Windows Antivirus platform 4.18.25100.9008 / Engine 1.1.25100.9002

Generally available October 2025
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Platform 4.18.25100.9008 and Engine 1.1.25100.9002 released: See enhancements and features for this release.

Applies to

  • Windows Antivirus
View at Microsoft ↗ All Defender for Endpoint updates

This is in the weekly digest for week 40 · What changed this week? →

More Defender for Endpoint updates

Generally availableSeptember 2026 macOS build 101.26072.0017 Generally availableAugust 2026 macOS build 101.26062.0011 Generally availableAugust 2026 macOS build 101.26062.0012 Generally availableJuly 2026 iOS build 1.1.78290102 Generally availableJuly 2026 macOS build 101.26052.0016 Generally availableJuly 2026 macOS build 101.26062.0009

Text by Microsoft, from Microsoft's documentation. Features and dates may change. Terms and the timeline are added by 365Fanatic.