Microsoft windows security

Author: r | 2025-04-24

Microsoft Security Essentials(MSE) for Windows 7 1 Microsoft Security Essentials (MSE) for Windows 7 . Microsoft Security Essentials (MSE) provides protection of Windows workstations

Windows Security Baseline with Microsoft Security Compliance

Drivers (Other Hardware) 1/6/2017 n/a 258 KB 264423 Security Update for Microsoft .NET Framework 4.5.2 on Windows 7, Vista, Windows Server 2008, Windows Server 2008 R2 for x64 (KB3135996) Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 8/11/2016 n/a 13.1 MB 13766627 Security Update for Microsoft .NET Framework 4.5.2 on Windows Vista, Windows 7, Server 2008 (KB3163251) Windows 7, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 7/12/2016 n/a 3.8 MB 3952231 Security Update for Microsoft .NET Framework 4.6 on Windows 7, Windows Vista, Server 2008, Server 2008 R2 for x64 (KB3164025) Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 7/12/2016 n/a 3.3 MB 3459328 Security Update for Microsoft .NET Framework 4.6 on Windows Vista, Windows 7, Server 2008 (KB3164025) Windows 7, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 7/12/2016 n/a 2.4 MB 2485880 Security Update for Microsoft .NET Framework 4.5.2 on Windows 7, Vista, Server 2008, and Server 2008 R2 for x64 (KB3163251) Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 7/12/2016 n/a 6.5 MB 6821199 Security Update for Microsoft .NET Framework 4.5.2 on Windows Vista, Windows 7, and Server 2008 (KB3135996) Windows 7, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 7/12/2016 n/a 10.0 MB 10435413 Security Update for Microsoft .NET Framework 4.6 on Windows 7, Windows Vista and Windows Server 2008 (KB3142037) Windows 7, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 5/12/2016 n/a 2.6 MB 2694784 Security Update for Microsoft .NET Framework 4.6 on Windows 7, Windows Vista, Server 2008, Server 2008 R2 for x64 (KB3142037) Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 5/12/2016 n/a 2.6 MB 2694408 Security Update for Microsoft .NET Framework 4.5.2 on Windows Vista, Windows 7, Server 2008 (KB3142033) Windows 7, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 5/10/2016 n/a 3.3 MB 3484765 Security Update for Microsoft .NET Framework 4.5.2 on Windows 7, Vista, Server 2008, and Server 2008 R2 for x64 (KB3142033) Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 5/10/2016 n/a 3.3 MB 3485251 Security Update for Microsoft .NET Framework 4.6 on Windows 7, Windows Vista, Server 2008, Server 2008 R2 for x64 (KB3136000) Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 5/10/2016 n/a 8.3 MB 8719987 Security Update for Microsoft .NET Framework 4.6 on Windows 7, Windows Vista and Windows Server 2008 (KB3136000) Windows 7, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Updates 5/10/2016 n/a 6.4 MB 6661096 Security Update for Microsoft .NET Framework 4.6 on Windows 7, Windows Vista, Server 2008, Server 2008 R2 for x64 (KB3143693) Windows 7, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows Embedded Standard 7 Security Security in Microsoft products.Security updates are available from Microsoft Update, Windows Update, and Office Update. Security updates are also available at the Microsoft Download Center. You can find them most easily by doing a keyword search for "security_patch." Finally, security updates can be downloaded from the Windows Update Catalog. For more information about the Windows Update Catalog, see Microsoft Knowledge Base Article 323166.Detection and Deployment GuidanceMicrosoft has provided detection and deployment guidance for this month’s security updates. This guidance will also help IT professionals understand how they can use various tools to help deploy the security update, such as Windows Update, Microsoft Update, Office Update, the Microsoft Baseline Security Analyzer (MBSA), the Office Detection Tool, Microsoft Systems Management Server (SMS), the Extended Security Update Inventory Tool, and the Enterprise Update Scan Tool (EST). For more information, see Microsoft Knowledge Base Article 910723.Microsoft Baseline Security AnalyzerMicrosoft Baseline Security Analyzer (MBSA) allows administrators to scan local and remote systems for missing security updates as well as common security misconfigurations. For more information about MBSA visit Microsoft Baseline Security Analyzer Web site. The following table provides the MBSA detection summary for this security update.SoftwareMBSA 1.2.1MBSA 2.0.1Microsoft Excel 2000 Service Pack 3YesNoMicrosoft Excel 2002 Service Pack 3YesYesMicrosoft Excel 2003 Service Pack 2YesYesMicrosoft Excel 2003 ViewerYesYesMicrosoft Office 2004 for MacNoNoNote for Windows Vista Microsoft does not support installing MBSA 2.0.1 on computers that run Windows Vista, but you may install MBSA 2.0.1 on a supported operating system and then scan the Windows Vista-based computer remotely. For additional information about MBSA support for Windows Vista, visit the MBSA Web site. See also Microsoft Knowledge Base Article 931943: Microsoft Baseline Security Analyzer (MBSA) support for Windows Vista.Note MBSA 1.2.1 uses an integrated version of the Office Detection Tool (ODT) which does not support remote scans of this

Microsoft Windows Firewall with Advanced Security Security

Search restricts the environment within which scripts execute.When this security bulletin was issued, had this vulnerability been publicly disclosed? No. Microsoft received information about this vulnerability through responsible disclosure.When this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? No. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers and had not seen any examples of proof of concept code published when this security bulletin was originally issued.Update InformationManage the software and security updates you need to deploy to the servers, desktop, and mobile systems in your organization. For more information see the TechNet Update Management Center. The Microsoft TechNet Security Web site provides additional information about security in Microsoft products.Security updates are available from Microsoft Update, Windows Update, and Office Update. Security updates are also available from the Microsoft Download Center. You can find them most easily by doing a keyword search for "security update."Finally, security updates can be downloaded from the Microsoft Update Catalog. The Microsoft Update Catalog provides a searchable catalog of content made available through Windows Update and Microsoft Update, including security updates, drivers and service packs. By searching using the security bulletin number (such as, "MS07-036"), you can add all of the applicable updates to your basket (including different languages for an update), and download to the folder of your choosing. For more information about the Microsoft Update Catalog, see the Microsoft Update Catalog FAQ.Detection and Deployment GuidanceMicrosoft has provided detection and deployment guidance for this month’s security updates. This guidance will also help IT professionals understand how they can use various tools to help deploy the security update, such as Windows Update, Microsoft Update, Office Update, the Microsoft Baseline Security Analyzer (MBSA), the Office Detection Tool, Microsoft Systems Management Server (SMS), and the Extended Security Update Inventory Tool. For more information, see Microsoft Knowledge Base Article 910723.Microsoft Baseline Security AnalyzerMicrosoft Baseline Security Analyzer (MBSA) allows administrators to scan local and remote systems for missing security updates as well as common security misconfigurations. For more information about MBSA, visit Microsoft Baseline Security Analyzer.The following table provides the MBSA detection summary for this security update.SoftwareMBSA 2.1Windows Search 4.0 installed on Windows XP Service Pack 2 and Windows XP Service Pack 3YesWindows Search 4.0 installed on Windows XP Professional x64 Edition Service Pack 2YesWindows Search 4.0 installed on Windows Server 2003 Service Pack 2YesWindows Search 4.0 installed on Windows Server 2003 x64 Edition Service Pack 2YesFor more information about MBSA 2.1, see MBSA 2.1 Frequently Asked Questions.Windows Server Update ServicesBy using Windows Server Update Services (WSUS), administrators can deploy the latest critical updates and security updates for Windows 2000 operating systems and later, Office XP and later, Exchange Server 2003, and SQL Server 2000. For more information about how to deploy this security update using Windows Server Update Services, visit the Windows Server Update Services Web site.Systems Management ServerThe following table provides the SMS detection and deployment summary for this security update.SoftwareSMS. Microsoft Security Essentials(MSE) for Windows 7 1 Microsoft Security Essentials (MSE) for Windows 7 . Microsoft Security Essentials (MSE) provides protection of Windows workstations

Microsoft Baseline Security Analyzer for Windows Security

Where this information is also available by clicking “Latest Security Updates”.Security updates are available from Microsoft Update, Windows Update, and Office Update. Security updates are also available at the Microsoft Download Center. You can find them most easily by doing a keyword search for "security update".Finally, security updates can be downloaded from the Microsoft Update Catalog. The Microsoft Update Catalog provides a searchable catalog of content made available through Windows Update and Microsoft Update, including security updates, drivers and service packs. By searching using the security bulletin number (such as, “MS07-036”), you can add all of the applicable updates to your basket (including different languages for an update), and download to the folder of your choosing. For more information about the Microsoft Update Catalog, see the Microsoft Update Catalog FAQ.Detection and Deployment GuidanceMicrosoft has provided detection and deployment guidance for this month’s security updates. This guidance will also help IT professionals understand how they can use various tools to help deploy the security update, such as Windows Update, Microsoft Update, Office Update, the Microsoft Baseline Security Analyzer (MBSA), the Office Detection Tool, Microsoft Systems Management Server (SMS), and the Extended Security Update Inventory Tool (ESUIT). For more information, see Microsoft Knowledge Base Article 910723.Microsoft Baseline Security AnalyzerThe Microsoft Baseline Security Analyzer (MBSA) allows administrators to scan local and remote systems for missing security updates as well as common security misconfigurations. For more information about MBSA, visit Microsoft Baseline Security Analyzer.Windows Server Update ServicesBy using Windows Server Update Services (WSUS), administrators can quickly and reliably deploy the latest critical updates and security updates for Windows 2000 operating systems and later, Office XP and later, Exchange Server 2003, and SQL Server 2000 to Windows 2000 and later operating systems.For more information about how to deploy this security update using Windows Server Update Services, visit Windows Server Update Services.Systems Management ServerMicrosoft Systems Management Server (SMS) delivers a highly-configurable enterprise solution for managing updates. By using SMS, administrators can identify Windows-based systems that require security updates and to perform controlled deployment of these updates throughout the enterprise with minimal disruption to end users. The Updates: 1 - 25 of 33 (page 1 of 2) Previous | Next Title Products Classification Last Updated Version Size Download Security Update for Microsoft XML Core Services 4.0 Service Pack 3 (KB2758694) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP, Windows 7, Windows Vista, Windows Server 2008, Windows 8 Security Updates 5/31/2017 n/a 3.9 MB 4132752 Security Update for Microsoft XML Core Services 6.0 Service Pack 2 for x64-based Systems (KB2758696) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP x64 Edition Security Updates 5/31/2017 n/a 1.8 MB 1889752 Security Update for Microsoft XML Core Services 4.0 Service Pack 3 for x64-based Systems (KB2758694) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP x64 Edition, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows 7, Windows 8, Windows Server 2012 Security Updates 5/30/2017 n/a 3.9 MB 4132752 Security Update for Microsoft XML Core Services 4.0 Service Pack 3 (KB2721691) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP, Windows 7, Windows Vista, Windows Server 2008, Windows 8 Security Updates 10/9/2012 n/a 3.9 MB 4107408 Security Update for Microsoft XML Core Services 4.0 Service Pack 3 for x64-based Systems (KB2721691) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP x64 Edition, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows 7, Windows 8, Windows Server 2012 Security Updates 10/9/2012 n/a 3.9 MB 4107408 Security Update for Microsoft XML Core Services 6.0 Service Pack 2 for x64-based Systems (KB2721693) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP x64 Edition Security Updates 8/29/2012 n/a 1.8 MB 1866312 Security Update for Microsoft XML Core Services 4.0 Service Pack 2 (KB954430) Windows 2000, Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP, Windows Vista, Windows Server 2008, Windows 7 Security Updates 7/12/2011 n/a 5.4 MB 5687304 Security Update for Microsoft XML Core Services 4.0 Service Pack 2 for x64-based Systems (KB954430) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP x64 Edition, Windows Server 2008, Windows Vista, Windows 7, Windows Server 2008 R2 Security Updates 7/12/2011 n/a 5.4 MB 5687304 Update for Microsoft XML Core Services 4.0 Service Pack 2 for x64-based Systems (KB973688) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP x64 Edition, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows 7 Critical Updates 7/12/2011 n/a 10.7 MB 11251376 Update for Microsoft XML Core Services 4.0 Service Pack 3 for x64-based Systems (KB973685) Windows Server 2003, Windows Server 2003, Datacenter Edition, Windows XP x64 Edition, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows 7 Critical Updates 7/12/2011 n/a 3.9 MB 4092592 Update for Microsoft XML Core Services 4.0 Service Pack 2 (KB973688) Windows Server 2003,

Security center, microsoft security essentials and windows

Scan local and remote systems for missing security updates as well as common security misconfigurations. For more information about MBSA, visit Microsoft Baseline Security Analyzer.MBSA 1.2.1 does not support detection for this security update. The Enterprise Update Scan Tool does, and is what customers can use instead of MBSA 1.2.1. For download links and more information about the version of EST that is being released this month, see Microsoft Knowledge Base Article 894193. SMS customers should also see the heading, Systems Management Server, for more information about SMS and EST.The following table provides the MBSA detection summary for this security update.SoftwareMBSA 1.2.1Enterprise Update Scan Tool (EST)MBSA 2.0.1Outlook Express 6 on Windows XP Service Pack 2NoYesYesOutlook Express 6 on Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2NoNoYesOutlook Express 5.5 Service Pack 2 on Microsoft Windows 2000 Service Pack 4NoYesYesOutlook Express 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 4NoYesYesOutlook Express 6 on Windows Server 2003 Service Pack 1NoYesYesOutlook Express 6 on Windows Server 2003 Service Pack 2NoYesYesOutlook Express 6 on Windows Server 2003 x64 EditionNoNoYesOutlook Express 6 on Windows Server 2003 with SP1 on Itanium-based Systems and Microsoft Windows Server 2003 with SP2 for Itanium-based SystemsNoNoYesWindows Mail in Windows VistaNoNoSee Note for Windows Vista belowWindows Mail in Windows Vista x64 EditionNoNoSee Note for Windows Vista belowNote for Windows Vista Microsoft does not support installing MBSA 2.0.1 on systems that run Windows Vista, but you may install MBSA 2.0.1 on a supported operating system and then scan the Windows Vista-based system remotely. For additional information about MBSA support for Windows Vista, visit the Microsoft Baseline Security Analyzer. See also Microsoft Knowledge Base Article 931943: Microsoft Baseline Security Analyzer (MBSA) support for Windows Vista.For more information about MBSA, visit the Microsoft Baseline Security Analyzer. For more information about the software that Microsoft Update and MBSA 2.0 currently do not detect, see Microsoft Knowledge Base Article 895660.Windows Server Update ServicesBy using Windows Server Update Services (WSUS), administrators can deploy the latest critical updates and security updates for Windows 2000 operating systems and later, Office XP and later, Exchange Server 2003, and SQL Server 2000 to Windows 2000 and later operating systems. For more information about how to deploy this security update using Windows Server Update Services, visit the Windows Server Update Services.Systems Management ServerThe following table provides the SMS detection and deployment summary for this security update.SoftwareSMS 2.0SMS 2003Outlook Express 6 on Windows XP Service Pack 2Yes (with EST)YesOutlook Express 6 on Microsoft Windows XP Professional x64 Edition and Microsoft Windows XP Professional x64 Edition Service Pack 2Yes (with EST)YesOutlook Express 5.5 Service Pack 2 on Microsoft Windows 2000 Service Pack 4Yes (with EST)YesOutlook Express 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 4Yes (with EST)YesOutlook Express 6 on Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1Yes (with EST)YesOutlook Express 6 on Microsoft Windows Server 2003 x64 EditionYes (with EST)YesOutlook Express 6 Microsoft Windows Server 2003 on Itanium-based Systems and

Microsoft security essentials and Windows

Your search resulted in over 1000 matching updates. Only the first 1000 are returned. To narrow your search, try adding additional keywords to your search terms. Updates: 1 - 25 of 1000 (page 1 of 40) Previous | Next Title Products Classification Last Updated Version Size Download Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2742595) Windows 7, Windows Server 2003, Datacenter Edition, Windows Server 2003, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows XP x64 Edition Security Updates 5/31/2017 n/a 12.9 MB 13498960 Update for Microsoft .NET Framework 4.5 on Windows 7, Vista and Windows Server 2008 x86 (KB2750147) Windows 7, Windows Vista, Windows Server 2008 Updates 5/31/2017 n/a 39.2 MB 41105692 Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008, Server 2008 R2 for x64 (KB2736428) Windows 7, Windows Server 2003, Datacenter Edition, Windows Server 2003, Windows Server 2008 R2, Windows Server 2008, Windows Vista, Windows XP x64 Edition Security Updates 5/31/2017 n/a 2.4 MB 2498056 Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008 x86 (KB2736428) Windows 7, Windows Server 2003, Datacenter Edition, Windows Server 2003, Windows Vista, Windows Server 2008, Windows XP Security Updates 5/31/2017 n/a 2.1 MB 2231304 Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008 x86 (KB2742595) Windows 7, Windows Server 2003, Datacenter Edition, Windows Server 2003, Windows Vista, Windows Server 2008, Windows XP Security Updates 5/30/2017 n/a 11.2 MB 11784936 Security Update for Microsoft .NET Framework 4.5 on Windows 7, Windows Vista, and Windows Server 2008 x86 (KB2789648) Windows 7, Windows Vista, Windows Server 2008 Security Updates 5/30/2017 n/a 3.7 MB 3834872 Security Update for Microsoft .NET Framework 4.5 on Windows 7, Vista, Windows Server 2008, Windows Server 2008 R2 for x64 (KB2789648) Windows 7, Windows Server 2008, Windows Server 2008 R2, Windows Vista Security Updates 5/30/2017 n/a 3.7 MB 3834872 Update for Microsoft .NET Framework 4.5 on Windows 7, Vista and Windows Server 2008 x86 (KB2770445) Windows 7, Windows Vista, Windows Server 2008 Critical Updates 5/30/2017 n/a 36.1 MB 37871056 Security Update for Microsoft .NET Framework 4.5 on Windows 7, Vista, Windows Server 2008, Windows Server 2008 R2 for x64 (KB2742613) Windows 7, Windows Server 2008, Windows Server 2008 R2, Windows Vista Security Updates 5/30/2017 n/a 12.9 MB 13490880 Update for Microsoft .NET Framework 4.5 on Windows 7, Vista, Windows Server 2008 and Windows Server 2008 R2 for x64 (KB2750147) Windows 7, Windows Server 2008, Windows Server 2008 R2, Windows Vista Updates 5/30/2017 n/a 60.5 MB 63464028 Security Update for Microsoft .NET Framework 4 on XP, Server 2003, Vista, Windows 7, Server 2008 x86 (KB2789642) Windows 7, Windows Server 2003, Datacenter Edition, Windows Server 2003, Windows Vista, Windows Server 2008, Windows XP Security Updates 5/30/2017 n/a 4.2 MB 4390432 Longmai - SmartCard - 1/7/2017 12:00:00 AM - 2.0.17.107 Windows 7, Windows Server 2008, Windows Vista. Microsoft Security Essentials(MSE) for Windows 7 1 Microsoft Security Essentials (MSE) for Windows 7 . Microsoft Security Essentials (MSE) provides protection of Windows workstations

Microsoft Security Essentials For Windows

System by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. 2025-02 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5052020) Locale: All Deployment: Important/Automatic Updates, WSUS, and Catalog Classification: Security Updates Security severity rating: Critical Supersedes: KB5050004 on Windows Server 2012 Target platforms: Windows Server 2012 Approximate file sizes: 2025-02 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems update: ~ 457000KB Description: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. 2025-02 Security Only Quality Update for Windows Server 2008 R2 for x64-based Systems (KB5052032) Locale: All Deployment: WSUS and Catalog Classification: Security Updates Security severity rating: Critical Supersedes: KB3200006 on Windows Server 2008 R2 Target platforms: Windows Server 2008 R2 Approximate file sizes: 2025-02 Security Only Quality Update for Windows Server 2008 R2 for x64-based Systems update: ~ 39300KB Description: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. 2025-02 Security Monthly Quality Rollup for Windows Server 2008 (KB5052038) Locale: All Deployment: Important/Automatic Updates, WSUS, and Catalog Classification: Security Updates Security severity rating: Critical Supersedes: KB5050063 on Windows Server 2008 Target platforms: Windows Server 2008 Approximate file sizes: 2025-02 Security Monthly Quality Rollup for Windows Server 2008 for x86-based Systems update: ~ 162000KB 2025-02 Security Monthly Quality Rollup for Windows Server 2008 for x64-based Systems update: ~ 240000KB Description: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article. After you install this update, you may have to restart your system. 2025-02 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5052042) Locale: All Deployment: Important/Automatic Updates, WSUS, and Catalog Classification: Security Updates Security severity rating: Critical Supersedes: KB5050048 on Windows Server 2012 R2 Target platforms: Windows Server 2012 R2 Approximate file sizes: 2025-02 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems update: ~ 595000KB Description: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete