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Update microsoft-defender-antivirus-updates.md
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defender-endpoint/microsoft-defender-antivirus-updates.md

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@@ -3,7 +3,7 @@ title: Microsoft Defender Antivirus security intelligence and product updates
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description: Manage how Microsoft Defender Antivirus receives protection and product updates.
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ms.service: defender-endpoint
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ms.localizationpriority: high
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ms.date: 02/05/2025
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ms.date: 02/06/2025
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audience: ITPro
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ms.topic: reference
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author: emmwalshh
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>[!NOTE]
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> Release dates are tentative and subject to change.
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### September-2024 (Platform: 4.18.24090.11 | Engine 1.1.24090.11)
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- Security intelligence update version: **1.421.12.0**
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- Release date: **October 30, 2024** (Engine and Platform)
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- Platform: **4.18.24090.11**
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- Engine: **1.1.24090.11**
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- Support phase: **Security and Critical Updates**
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#### What's new
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- Improved handling of Azure Site Recovery rules (Azure Site Recovery) exclusions.
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- Improved `AMSI` scan performance via changes to exclusion handling
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- Fixed Control Folder Access (CFA) protection for OneDrive when backup is enabled.
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- Added support for wildcards in Tamper protection trusted process.
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- Improved Device control policy enforcement in offline environments.
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- Fixed issue in `WDNisDrv.sys` driver causing system hangs during shutdown.
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### September-2024 (Platform: 4.18.24090.11 | Engine 1.1.24090.11)
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- Security intelligence update version: **1.421.12.0**
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- Release date: **October 30, 2024** (Engine and Platform)
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- Platform: **4.18.24090.11**
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- Engine: **1.1.24090.11**
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- Support phase: **Security and Critical Updates**
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#### What's new
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- Improved detection logic to reduce false positives related to the Azure Site Recovery rule, [Block Office applications from injecting code into other processes](/defender-endpoint/attack-surface-reduction-rules-reference#block-office-applications-from-injecting-code-into-other-processes)
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- Resolved an issue that could lead to a Windows device to be marked as [noncompliant in Intune](/mem/intune/fundamentals/reports#device-compliance-reports) when Microsoft Defender Antivirus starts.
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- Resolved an issue with catchup scan configuration, where the [DaysUntilAggressiveCatchupQuickScan](/windows/client-management/mdm/defender-csp#configurationdaysuntilaggressivecatchupquickscan) policy setting wasn't honored.

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