Patch Tuesday analysis, monthly Assurance Security Dashboards, and notes from the Application Readiness team.https://www.applicationreadiness.com/en-gbhttps://www.applicationreadiness.com/perspectives/welcome-to-perspectives/https://www.applicationreadiness.com/perspectives/welcome-to-perspectives/A new home for monthly Patch Tuesday analysis and Application Portfolio Intelligence.Sat, 25 Apr 2026 00:00:00 GMTannouncementGreg Lamberthttps://www.applicationreadiness.com/perspectives/april-2026-testing-guidance/https://www.applicationreadiness.com/perspectives/april-2026-testing-guidance/Each month, the team at Readiness analyses the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. April’s release covers 56 component updates across Windows. Microsoft flagged two as High RWed, 15 Apr 2026 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-apr-2026/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-apr-2026/Readiness Patch Tuesday DashboardTue, 14 Apr 2026 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/march-2026-patch-tuesday/https://www.applicationreadiness.com/perspectives/march-2026-patch-tuesday/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. March’s release addresses 83 vulnerabilities across Windows, Office, SQL Server, Azure, andSun, 15 Mar 2026 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/march-2026-patch-tuesday-testing-guidance/https://www.applicationreadiness.com/perspectives/march-2026-patch-tuesday-testing-guidance/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. March’s release addresses 83 vulnerabilities across Windows, Office, SQL Server, Azure, andWed, 11 Mar 2026 00:00:00 GMTpatch-tuesdaywindows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-mar-2026/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-mar-2026/Readiness Patch Tuesday DashboardTue, 10 Mar 2026 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-feb-2026/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-feb-2026/Readiness Patch Tuesday DashboardTue, 10 Feb 2026 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/january2026-patch-tuesday-testing-guidance/https://www.applicationreadiness.com/perspectives/january2026-patch-tuesday-testing-guidance/January 2026 Patch Tuesday Testing GuidanceThu, 15 Jan 2026 00:00:00 GMTpatch-tuesdaywindows-10Greg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-jan-2026/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-jan-2026/Readiness Patch Tuesday DashboardTue, 13 Jan 2026 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/december-2025-patch-tuesday/https://www.applicationreadiness.com/perspectives/december-2025-patch-tuesday/This December update from Microsoft addresses three zero-days (CVE-2025-64671, CVE-2025-54100 and CVE-2025-62221) but includes a surprisingly low number of total patches (just 57). As well as an unusually low number of updates, Microsoft haSat, 13 Dec 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/december-2025-testing-guidance/https://www.applicationreadiness.com/perspectives/december-2025-testing-guidance/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a comprehensive analysis ofThu, 11 Dec 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-dec-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-dec-2025/Readiness Patch Tuesday DashboardTue, 09 Dec 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-nov-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-nov-2025/Readiness Patch Tuesday DashboardTue, 11 Nov 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/october-2025-testing-guidance/https://www.applicationreadiness.com/perspectives/october-2025-testing-guidance/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a comprehensive analysis ofWed, 15 Oct 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2025/Readiness Patch Tuesday DashboardTue, 14 Oct 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/september-patch-tuesday-2025/https://www.applicationreadiness.com/perspectives/september-patch-tuesday-2025/Microsoft has released 86 patches this September, with updates to Microsoft Office, Windows, and SQL Server. No zero-days so the Readiness team does not have a Patch Now recommendation for this September update cycle. This is an incredible Mon, 15 Sep 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/september-2025-testing-guidance/https://www.applicationreadiness.com/perspectives/september-2025-testing-guidance/This month’s Microsoft Patch Tuesday updates require focused testing across network infrastructure, graphics subsystems, and authentication components. September 2025 brings significant updates to core networking protocols, DirectX graphicsWed, 10 Sep 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-sept-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-sept-2025/Readiness Patch Tuesday DashboardTue, 09 Sep 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/august-2025-patch-tuesday-testing-guidance/https://www.applicationreadiness.com/perspectives/august-2025-patch-tuesday-testing-guidance/Each month, the Readiness team analyzes Microsoft’s latest updates and provides technically sound, actionable testing plans. August’s release brings updates to core Windows components, with significant changes affecting printingWed, 13 Aug 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-july-2025-2/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-july-2025-2/Readiness Patch Tuesday DashboardTue, 12 Aug 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-july-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-july-2025/Readiness Patch Tuesday DashboardTue, 08 Jul 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/july-2025-patch-testing-guidance/https://www.applicationreadiness.com/perspectives/july-2025-patch-testing-guidance/Each month, the team at Readiness analyzes Microsoft’s latest updates and provides technically sound, actionable testing plans. July’s release brings significant updates to core Windows components, most notably in the areas of pTue, 08 Jul 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/june-patch-tuesday/https://www.applicationreadiness.com/perspectives/june-patch-tuesday/Microsoft has released a very light Patch Tuesday for this June with 68 patches to Microsoft Windows and Microsoft Office. No update for Exchange or SQL server and just two minor patches to Microsoft Edge. Unfortunately two zero-day vulneraTue, 17 Jun 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/june-patch-tuesday-testing-guidance-2/https://www.applicationreadiness.com/perspectives/june-patch-tuesday-testing-guidance-2/Each month, the Readiness team analyzes Microsoft’s latest updates and provides technically sound, actionable testing plans. While June’s release includes no stated functional changes, many foundational components across authentication, stoThu, 12 Jun 2025 00:00:00 GMTpatch-tuesdaywindows-10windows-11zero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-jun-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-jun-2025/Readiness Patch Tuesday DashboardTue, 10 Jun 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/may-patch-tuesday/https://www.applicationreadiness.com/perspectives/may-patch-tuesday/This May Patch Tuesday release is very much a “back-to-basics” update with just 78 patches for Microsoft Windows, Office, Visual Studio and .NET. Notably, Microsoft has not released any patches for Microsoft Exchange Server or Microsoft SQLSat, 17 May 2025 00:00:00 GMTpatch-tuesdaywindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/testing-guidance-may-patch-tuesday/https://www.applicationreadiness.com/perspectives/testing-guidance-may-patch-tuesday/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a comprehensive analysis ofWed, 14 May 2025 00:00:00 GMTpatch-tuesdaywindows-10windows-11zero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-may-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-may-2025/Readiness Patch Tuesday DashboardTue, 13 May 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/a-large-dynamic-april-patch-tuesday/https://www.applicationreadiness.com/perspectives/a-large-dynamic-april-patch-tuesday/This is a large (126 patches), broad and unfortunately very dynamic update for this April Patch Tuesday. With several re-releases, missing files and broken patches affecting both the Windows and Microsoft Office platforms.Sun, 13 Apr 2025 00:00:00 GMTmigrationpatch-tuesdaywindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/april-2025-testing-guidance/https://www.applicationreadiness.com/perspectives/april-2025-testing-guidance/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a comprehensive analysis ofWed, 09 Apr 2025 00:00:00 GMTpatch-tuesdaywindows-10Greg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-april-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-april-2025/Readiness Patch Tuesday DashboardTue, 08 Apr 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/march-2025-patch-tuesday-57-fixes-and-7-zero-days/https://www.applicationreadiness.com/perspectives/march-2025-patch-tuesday-57-fixes-and-7-zero-days/For so few patches from Microsoft this month (57), we have seven zero-days to manage with a Patch Now recommendation for Windows and standard release schedules for Microsoft Office, Microsoft browsers (Edge) and Visual Studio. Adobe is backSun, 16 Mar 2025 00:00:00 GMTwindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/march-2025-patch-tuesday-testing-guidance/https://www.applicationreadiness.com/perspectives/march-2025-patch-tuesday-testing-guidance/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a comprehensive analysis ofWed, 12 Mar 2025 00:00:00 GMTGreg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-mar-2025/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-mar-2025/Readiness Patch Tuesday DashboardTue, 11 Mar 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/february-2025-patch-tuesday/https://www.applicationreadiness.com/perspectives/february-2025-patch-tuesday/Microsoft has released 63 patches for Windows, Microsoft Office, and developer platforms as part of the February Patch Tuesday update. It’s a relatively light update with significant testing requirements for networking and remote desktop enFri, 14 Feb 2025 00:00:00 GMTpatch-tuesdaywindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2-2-2-2/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2-2-2-2/Readiness Patch Tuesday DashboardTue, 11 Feb 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/february-2025-testing-guidance/https://www.applicationreadiness.com/perspectives/february-2025-testing-guidance/Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a comprehensive analysis ofTue, 11 Feb 2025 00:00:00 GMTpatch-tuesdaywindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/2025s-first-patch-tuesday-159-patches-8-zero-day-fixes/https://www.applicationreadiness.com/perspectives/2025s-first-patch-tuesday-159-patches-8-zero-day-fixes/Microsoft starts off 2025 with a hefty patch release, addressing eight zero-days with 159 patches for Windows, Microsoft Office and Visual Studio. Both Windows and Microsoft Office have “Patch Now” recommendations with no browser or ExchangTue, 21 Jan 2025 00:00:00 GMTpatch-tuesdaypatchingwindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/january-2025-testing-guidlines/https://www.applicationreadiness.com/perspectives/january-2025-testing-guidlines/Each month, the team at Readiness analyses the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a detailed analysis of the Wed, 15 Jan 2025 00:00:00 GMTpatch-tuesdaywindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2-2-2/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2-2-2/Readiness Patch Tuesday DashboardTue, 14 Jan 2025 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/december-patch-tuesday-2024-critical-updates-zero-days-and-deployment-guidance/https://www.applicationreadiness.com/perspectives/december-patch-tuesday-2024-critical-updates-zero-days-and-deployment-guidance/Microsoft has released 74 updates this December Patch Tuesday that patch Microsoft Windows, Office and Edge. No updates for Microsoft Exchange Server or SQL server this month. One zero-day (CVE-2024-49138) affecting how Windows desktops hanFri, 13 Dec 2024 00:00:00 GMTwindows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/december-2024-patch-tuesday-testing-guidance/https://www.applicationreadiness.com/perspectives/december-2024-patch-tuesday-testing-guidance/Each month, the team at Readiness analyses the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a detailed analysis of the Wed, 11 Dec 2024 00:00:00 GMTpatch-tuesdaywindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2-2/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2-2/Readiness Patch Tuesday DashboardTue, 10 Dec 2024 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/transitioning-to-microsoft-azure-virtual-desktop-avd/https://www.applicationreadiness.com/perspectives/transitioning-to-microsoft-azure-virtual-desktop-avd/Microsoft Azure Virtual Desktop (AVD) is a comprehensive virtualization service that allows organizations to deliver desktop and app experiences from the cloud. It offers the flexibility and scalability that many businesses need to support Sat, 07 Dec 2024 00:00:00 GMTmigrationwindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/airlock-and-readiness/https://www.applicationreadiness.com/perspectives/airlock-and-readiness/Whitelisting is a proactive security measure that involves creating a list of trusted applications, processes, or entities that are explicitly allowed to execute on a system. This approach significantly enhances application management and sTue, 03 Dec 2024 00:00:00 GMTmigrationwindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/top-5-cwe-weaknesses-and-microsoft-vulnerabilities-a-patching-guide/https://www.applicationreadiness.com/perspectives/top-5-cwe-weaknesses-and-microsoft-vulnerabilities-a-patching-guide/Top 5 CWE Weaknesses and Microsoft Vulnerabilities Microsoft has addressed several vulnerabilities corresponding to these CWEs in 2024. Below is an overview of each CWE, its description, associated risks, mitigation strategies, and examplesMon, 25 Nov 2024 00:00:00 GMTpatch-tuesdaywindows-11zero-day-exploitGreg Lamberthttps://www.applicationreadiness.com/perspectives/challenges-in-the-move-to-microsoft-msix/https://www.applicationreadiness.com/perspectives/challenges-in-the-move-to-microsoft-msix/Major Challenges in the move to Microsoft MSIX The Microsoft MSIX packaging format is designed to simplify and unify the Windows app installation experience, but transitioning to MSIX can present challenges, particularly for organizations wFri, 22 Nov 2024 00:00:00 GMTcomputerworldwindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/november-patch-tuesday-2024/https://www.applicationreadiness.com/perspectives/november-patch-tuesday-2024/Microsoft’s November Patch Tuesday addresses 89 vulnerabilities in Windows, SQL Server, .NET and Microsoft Office. Unfortunately, we have three zero-day vulnerabilities (CVE-2024-43451, CVE-2024-49019 and CVE-2024-49039) that require a PatcSun, 17 Nov 2024 00:00:00 GMTcomputerworldpatch-tuesdaywindows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/november-2024-patch-tuesday-testing-guidance/https://www.applicationreadiness.com/perspectives/november-2024-patch-tuesday-testing-guidance/Each month, the team at Readiness analyses the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. This guidance is based on assessing a large application portfolio and a detailed analysis of the Wed, 13 Nov 2024 00:00:00 GMTliquidwarepatch-tuesdaywindows-10windows-11Greg Lamberthttps://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2/https://www.applicationreadiness.com/perspectives/assurance-security-dashboard-oct-2024-2/Readiness Patch Tuesday DashboardTue, 12 Nov 2024 00:00:00 GMTpatch-tuesdayzero-day-exploitGreg Lambert