Antimalware Engine Notifications
Notifications about releases of the antimalware engine.
Antimalware Engine 1.1.12400.0 was released to customers on 16 Dec 2015
Antimalware Engine 1.1.12400.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 12/17/2015
Antimalware Engine 1.1.12300.0 was released to customers on 17 Nov 2015
Antimalware Engine 1.1.12300.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 12/10/2015
Antimalware Engine 1.1.12205.0 was released to customers on 20 October 2015
Antimalware Engine 1.1.12205.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 12/10/2015
New Antimalware Engine is planned for release on 15 December 2015
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 12/10/2015
Antimalware Engine 1.1.12101.0 was released to customers on 16 Sept 2015
Antimalware Engine 1.1.12101.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 09/16/2015
Antimalware Engine 1.1.12002.0 was released to customers on 20 Aug 2015
Antimalware Engine 1.1.12002.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 08/25/2015
Antimalware Engine 1.1.11903.0 was released to customers on 21 July 2015
Antimalware Engine 1.1.11903.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 07/23/2015
New Antimalware Engine is planned for release on 21 July 2015
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 07/20/2015
Antimalware Engine 1.1.11804.0 was released to customers on 24 June 2015
Antimalware Engine 1.1.11804.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 06/25/2015
New Antimalware Engine is planned for release on 24 June 2015
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 06/17/2015
Antimalware Engine 1.1.11701.0 was released to customers on 18 May 2015
Antimalware Engine 1.1.11701.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 05/19/2015
Antimalware Engine 1.1.11602.0 was released to customers on 20 Apr 2015
Apologies for the late posting: Antimalware Engine 1.1.11602.0 was released to all Windows Defender,...
Date: 05/13/2015
New Antimalware Engine is planned for release on 18 May 2015
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 05/13/2015
New Antimalware Engine is planned for release on 20 April 2015
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 04/15/2015
Antimalware Engine 1.1.11502.0 was released to customers on 23 Mar 2015
Antimalware Engine 1.1.11502.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 03/30/2015
New Antimalware Engine is planned for release on 16 Mar 2015
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 03/11/2015
Antimalware Engine 1.1.11302.0 was released to customers on 15 Dec 2014
Antimalware Engine 1.1.11302.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 12/15/2014
New Antimalware Engine is planned for release on 15 Dec 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 12/09/2014
Antimalware Engine 1.1.11202.0 was released to customers on 17 Nov 2014
Antimalware Engine 1.1.11202.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 11/18/2014
New Antimalware Engine is planned for release on 17 Nov 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 11/13/2014
Antimalware Engine 1.1.11104.0 was released to customers on 20 Oct 2014
Antimalware Engine 1.1.11104.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 10/20/2014
New Antimalware Engine is planned for release on 20 Oct 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 10/14/2014
Antimalware Engine 1.1.11005.0 was released to customers on 15 Sep 2014
Antimalware Engine 1.1.11005.0 was released to all Windows Defender, Microsoft Security Essentials,...
Date: 09/15/2014
New Antimalware Engine is planned for release on 15 Sep 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 09/11/2014
Antimalware Engine 1.1.10904.0 was released to customers on 21 August 2014
Antimalware Engine 1.1.10904.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 08/22/2014
Antimalware Engine 1.1.10903.0 was released to customers on 18 Aug 2014
Antimalware Engine 1.1.10903.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 08/18/2014
New Antimalware Engine is planned for release on 18 Aug 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 08/13/2014
Antimalware Engine 1.1.10802.0 was released to customers on 14 Jul 2014
Antimalware Engine 1.1.10802.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 07/14/2014
New Antimalware Engine is planned for release on 14 Jul 2014
New Antimalware Engine is planned for release on 14 Jul 2014 As part of the regular updating of our...
Date: 07/10/2014
Antimalware Engine 1.1.10701.0 was released to customers on 17 Jun 2014
Antimalware Engine 1.1.10701.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 06/17/2014
New Antimalware Engine is planned for release on 17 Jun 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 06/11/2014
Antimalware Engine 1.1.10600.0 was released to customers on 20 May 2014
Antimalware Engine 1.1.10600.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 05/20/2014
New Antimalware Engine is planned for release on 20 May 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 05/14/2014
Antimalware Engine 1.1.10502.0 was released to customers on 17 April 2014
Antimalware Engine 1.1.10502.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 04/17/2014
Antimalware Engine 1.1.10501.0 was released to customers on 15 April 2014
Antimalware Engine 1.1.10501.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 04/15/2014
New Antimalware Engine is planned for release on 15 April 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 04/08/2014
Antimalware Engine 1.1.10401.0 was released to customers on 17 March 2014
Antimalware Engine 1.1.10401.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 03/18/2014
New Antimalware Engine is planned for release on 17 March 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 03/11/2014
Antimalware Engine 1.1.10302.0 was released to customers on 17 February 2014
Antimalware Engine 1.1.10302.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 02/17/2014
New Antimalware Engine is planned for release on 17 February 2014
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 02/14/2014
Antimalware Engine 1.1.10201.0 was released to customers on 16 December 2013
Antimalware Engine 1.1.10201.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 12/16/2013
New Antimalware Engine is planned for release on 16 December 2013
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 12/11/2013
Antimalware Engine 1.1.10003.0 was released to customers on 18 November 2013
Antimalware Engine 1.1.10100.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 11/19/2013
New Antimalware Engine is planned for release on 18 November 2013
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 11/17/2013
Antimalware Engine 1.1.10003.0 was released to customers on 16 October 2013
Antimalware Engine 1.1.10003.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 10/17/2013
New Antimalware Engine is planned for release on 16 October 2013
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 10/11/2013
Antimalware Engine 1.1.9901.0 was released to customers on 16 Sep 2013
Antimalware Engine 1.1.9901.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 09/17/2013
New Antimalware Engine is planned for release on 16 Sept 2013
As part of the regular updating of our antimalware technology to address the latest in the threat...
Date: 09/10/2013
Antimalware Engine 1.1.9800.0 was released to customers on 20 Aug 2013
Antimalware Engine 1.1.9800.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 08/20/2013
Antimalware Engine 1.1.9700.0 was released to customers on 15 Jul 2013
Antimalware Engine 1.1.9700.0 was released to all Microsoft Security Essentials, Forefront Client...
Date: 07/15/2013