Advice Request Security Intelligence Updates in Microsoft Defender Antivirus and other anti-malware products (Threat Detection Changelog)

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Ink

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oldschool

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Microsoft Defender Antivirus security intelligence and product updates
This is the latest product updates changelog:
Monthly platform and engine versions
For information how to update or install the platform update, see Update for Windows Defender antimalware platform.

All our updates contain

Performance improvements
Serviceability improvements
Integration improvements (Cloud, Microsoft 365 Defender)
January-2023 (Platform: 4.18.2301.6 | Engine: 1.1.20000.2)
Security intelligence update version: 1.383.26.0
Release date: February 14, 2023
Platform: 4.18.2301.6
Engine: 1.1.20000.2
Support phase: Security and Critical Updates

What's new
Improved ASR rule processing logic
Updated Sense token hardening
Improved Defender CSP module update channel logic
Known Issues - None
I have the latest update:
Code:
Antimalware Client Version: 4.18.2302.3
Engine Version: 1.1.20100.5
I'm wondering what version others have? I'm curious only because I'm on the Beta platform and engine update channel. :cool:
 

oldschool

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Microsoft Defender Antivirus security intelligence and product updates

September-2023 (Platform: 4.18.23090.2008 | Engine: 1.1.23090.2007)​


  • Security intelligence update version: 1.399.44.0
  • Release date: October 3, 2023 (Engine) | October 4, 2023 (Platform)
  • Platform: 4.18.23090.2008
  • Engine: 1.1.23090.2007
  • Support phase: Security and Critical Updates

What's new​


  • Fixed automatic remediation during on demand scans involving archives with multiple threats
  • Improved the performance of scanning files on network locations
  • Added support for domain computer SID for device control policies
  • Improved installer of unified agent to include legacy version of Windows Server 2012 (6.3.9600.17735)
  • Fixed issue in device control when querying Azure AD group membership, which resulted in increased network traffic.
  • Improved parsing of attack surface reduction exclusions in the antimalware engine
  • Improved reliability in scanning PE files
  • Improved deployments safeguards for security intelligence updates

Known issues​


  • None

August-2023 (Platform: 4.18.23080.2006 | Engine: 1.1.23080.2005)​


  • Security intelligence update version: 1.397.59.0
  • Released: August 30, 2023 (Platform and Engine)
  • Platform: 4.18.23080.2006
  • Engine: 1.1.23080.2005
  • Support phase: Security and Critical Updates

What's new​



Known issues​


  • None
 
Last edited:

Fel Grossi

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October-2023 (Platform: Platform: 4.18.23100.2009 | Engine: 1.1.23100.2009)​

  • Security intelligence update version: 1.401.3.0
  • Release date: November 3, 2023 (Engine) / November 6, 2023 (Platform)
  • Platform: 4.18.23100.2009
  • Engine: 1.1.23100.2009
  • Support phase: Security and Critical Updates

What's new​

Known issues​

  • None
 

Fel Grossi

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Jan 17, 2014
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November-2023 (Platform: 4.18.23110.3 | Engine: 1.1.23110.2)​

  • Security intelligence update version: 1.403.7.0
  • Release date: December 5, 2023 (Platform) / December 6, 2023 (Engine)
  • Platform: 4.18.23110.3
  • Engine: 1.1.23110.2
  • Support phase: Security and Critical Updates

What's new​

Known issues​

  • None
 

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