{"id":31734,"date":"2021-02-09T17:42:45","date_gmt":"2021-02-10T00:42:45","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/dotnet\/?p=31734"},"modified":"2021-06-08T11:50:26","modified_gmt":"2021-06-08T18:50:26","slug":"net-framework-february-security-and-quality-rollup","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-february-security-and-quality-rollup\/","title":{"rendered":".NET Framework February Security and Quality Rollup"},"content":{"rendered":"<p><strong>Revised 6\/8\/2021:<\/strong> On June 8th, 2021, this update was released to replace a previous update to address a \u201crevocation server was offline\u201d error that may occur during installation. If you&#8217;ve already installed a previous release\u00a0of this update, no action is required.<\/p>\n<p><strong>Revised 4\/15\/2021:<\/strong> On April 13th, 2021, this update was released to replace a previous release of this some updates. See known issues section for more details. If you&#8217;ve already installed a previous release of an affected update, no action is required.<\/p>\n<p>Today, we are releasing the February 2021 Security and Quality Rollup Updates for .NET Framework.<\/p>\n<h3>Security<\/h3>\n<h5>CVE-2021-24111\u2013 .NET Framework Denial of Service Vulnerability<\/h5>\n<p>This security update addresses a denial of service vulnerability in .NET Framework. For more information please see <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-24111\" rel=\"nofollow\">CVE-2021-24111<\/a>.<\/p>\n<h3>Quality and Reliability<\/h3>\n<p>This release contains the following quality and reliability improvements.<\/p>\n<h5>ASP.NET<\/h5>\n<ul>\n<li>Addresses an issue where after installing the update released on October 20th, some ASP.Net applications fail during precompilation \u2013 likely with a message that contains the words \u201cError ASPCONFIG.\u201d<\/li>\n<\/ul>\n<h5>CLR<span style=\"font-size: 12pt;\"><sup>1<\/sup><\/span><\/h5>\n<ul>\n<li>Improves the reliability of automatic Native Image generation task.<\/li>\n<\/ul>\n<h5>WPF<span style=\"font-size: 12pt;\"><sup>2<\/sup><\/span><\/h5>\n<ul>\n<li>Addresses a hang when scrolling to the end of a TreeView, when layout rounding is enabled and DPI scaling is not 100%.<\/li>\n<\/ul>\n<p><sup>1 <\/sup>Common Language Runtime (CLR)\n<sup>2 <\/sup>Windows Presentation Foundation (WPF)<\/p>\n<h3>Known issues in this update<\/h3>\n<table width=\"75\">\n<tbody>\n<tr>\n<td class=\"\"><b class=\"ocpLegacyBold\">Symptom<\/b><\/td>\n<td>After installing this update, WPF apps may crash with a callstack similar to<\/p>\n<p><code class=\"ocpCode\"><\/code><\/p>\n<pre>Exception Info: System.NullReferenceException at System.Windows.Interop.HwndMouseInputProvider.HasCustomChrome(System.Windows.Interop.HwndSource, RECT ByRef)\r\nat System.Windows.Interop.HwndMouseInputProvider.GetEffectiveClientRect(IntPtr)\r\nat System.Windows.Interop.HwndMouseInputProvider.PossiblyDeactivate(IntPtr, Boolean)\r\nat System.Windows.Interop.HwndMouseInputProvider.Dispose()<\/pre>\n<p>This occurs\u00a0when disposing an HwndSource whose RootVisual is null, a situation that arises in Visual Studio when docking or splitting windows, and could arise in other apps.<\/td>\n<\/tr>\n<tr>\n<td><b class=\"ocpLegacyBold\">Workaround<\/b><\/td>\n<td>To work around this problem, set two AppContext switches using one of the methods described in\u00a0<a class=\"ocpExternalLink\" href=\"https:\/\/docs.microsoft.com\/en-us\/dotnet\/api\/system.appcontext?view=netcore-3.1#remarks\" target=\"_blank\" rel=\"noopener\">AppContext Class (System)<\/a>\u00a0under the heading \u201cAppContext for library consumers\u201d. \u00a0The switches are named<\/p>\n<p><b class=\"ocpLegacyBold\">Switch.System.Windows.Interop.MouseInput.OptOutOfMoveToChromedWindowFix<\/b>\u00a0and<\/p>\n<p><b class=\"ocpLegacyBold\">Switch.System.Windows.Interop.MouseInput.DoNotOptOutOfMoveToChromedWindowFix<\/b><\/p>\n<p>and both should be set to \u201ctrue\u201d. \u00a0 The first switch avoids the crash, but re-introduces the bug fixed in the KBs. \u00a0The second switch is currently ignored, but will be recognized in a future .NET update that contains a fix for the null-reference crash; \u00a0it restores the original bug fix.<\/p>\n<p>For example, using the app.config file method to apply the workaround at application scope:<\/p>\n<p><code class=\"ocpCode\"><\/code><\/p>\n<pre>&lt;AppContextSwitchOverrides \r\nvalue=\"Switch.System.Windows.Interop.MouseInput.OptOutOfMoveToChromedWindowFix=true; \r\nSwitch.System.Windows.Interop.MouseInput.DoNotOptOutOfMoveToChromedWindowFix=true \" \/&gt;<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td><b class=\"ocpLegacyBold\">Resolution<\/b><\/td>\n<td>For some Windows 10, version 1809, Windows Server 2019 and newer versions this issue is resolved in <a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-february-2021-cumulative-update-preview-for-net-framework\/\" rel=\"nofollow\">February 2021 Cumulative Update Preview<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td class=\"\"><b class=\"ocpLegacyBold\">Symptom<\/b><\/td>\n<td>Customers using Windows 7 SP1, Windows Server 2008 R2 SP1 or Windows Server 2008, this update does not install, and it returns either or both of the following error messages:<\/p>\n<ul>\n<li>-2146762495<\/li>\n<\/ul>\n<ul>\n<li>A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the signed file.<\/li>\n<li>\n<p class=\"\">The revocation function was unable to check revocation because the revocation server was offline.<\/p>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><b class=\"ocpLegacyBold\">Workaround<\/b><\/td>\n<td>\n<p style=\"margin: 0in; font-family: 'Segoe UI'; font-size: 10.0pt; color: #1e1e1e;\">This issue was corrected by the latest release of this update.\u00a0\u00a0If you&#8217;ve already installed a previous release\u00a0of this update, no action is required.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><\/h3>\n<h3><a id=\"user-content-getting-the-update\" class=\"anchor\" href=\"#getting-the-update\"><\/a>Getting the Update<\/h3>\n<p>The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog. The Security Only Update is available via Windows Server Update Services and Microsoft Update Catalog.<\/p>\n<h5><a id=\"user-content-microsoft-update-catalog\" class=\"anchor\" href=\"#microsoft-update-catalog\"><\/a>Microsoft Update Catalog<\/h5>\n<p>You can get the update via the Microsoft Update Catalog. For Windows 10, NET Framework 4.8 updates are available via Windows Update, Windows Server Update Services, Microsoft Update Catalog. Updates for other versions of .NET Framework are part of the Windows 10 Monthly Cumulative Update.<\/p>\n<p>**Note**: Customers that rely on Windows Update and Windows Server Update Services will automatically receive the .NET Framework version-specific updates. Advanced system administrators can also take use of the below direct Microsoft Update Catalog download links to .NET Framework-specific updates. Before applying these updates, please ensure that you carefully review the .NET Framework version applicability, to ensure that you only install updates on systems where they apply.<\/p>\n<p>The following table is for Windows 10 and Windows Server 2016 and newer versions.<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8px\">\n<thead>\n<tr>\n<th>Product Version<\/th>\n<th colspan=\"2\">Cumulative Update<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10, version 20H2 and Windows Server, version 20H2<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601050\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601050\" rel=\"nofollow\">4601050<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 2004 and Windows Server, version 2004<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601050\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601050\" rel=\"nofollow\">4601050<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1909 and Windows Server, version 1909<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601056\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601056\" rel=\"nofollow\">4601056<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1809 (October 2018 Update) and Windows Server 2019<\/strong><\/td>\n<td><\/td>\n<td><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4601887\" rel=\"nofollow\">4601887<\/a><\/strong><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.7.2<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601060\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601060\" rel=\"nofollow\">4601060<\/a><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601055\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601055\" rel=\"nofollow\">4601055<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1803 (April 2018 Update)<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.7.2<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601354\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601354\" rel=\"nofollow\">4601354<\/a><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601054\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601054\" rel=\"nofollow\">4601054<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1703 (Creators Update)<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.7, 4.7.1, 4.7.2<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601330\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601330\" rel=\"nofollow\">4601330<\/a><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601052\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601052\" rel=\"nofollow\">4601052<\/a><\/td>\n<\/tr>\n<tr bgcolor=\"#F0F0F0\">\n<td><strong>Windows 10 1607 (Anniversary Update) and Windows Server 2016<\/strong><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601318\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601318\" rel=\"nofollow\">4601318<\/a><\/td>\n<\/tr>\n<tr>\n<td>.NET Framework 4.8<\/td>\n<td><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601051\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td><a href=\"https:\/\/support.microsoft.com\/kb\/4601051\" rel=\"nofollow\">4601051<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The following table is for earlier Windows and Windows Server versions.<\/p>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8px\">\n<thead>\n<tr style=\"height: 42px;\">\n<th style=\"height: 42px;\">Product Version<\/th>\n<th style=\"height: 42px;\" colspan=\"2\">Security and Quality Rollup<\/th>\n<th style=\"height: 42px;\" colspan=\"2\">Security Only Update<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 42px;\" bgcolor=\"#F0F0F0\">\n<td style=\"height: 42px;\"><strong>Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2<\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4603004\" rel=\"nofollow\">4603004<\/a><\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4602960\" rel=\"nofollow\">4602960<\/a><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 3.5<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578953\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578953\" rel=\"nofollow\">4578953<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.5.2<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578956\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578956\" rel=\"nofollow\">4578956<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601048\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601048\" rel=\"nofollow\">4601048<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601094\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601094\" rel=\"nofollow\">4601094<\/a><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.8<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601058\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601058\" rel=\"nofollow\">4601058<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601092\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601092\" rel=\"nofollow\">4601092<\/a><\/td>\n<\/tr>\n<tr style=\"height: 42px;\" bgcolor=\"#F0F0F0\">\n<td style=\"height: 42px;\"><strong>Windows Server 2012<\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4603003\" rel=\"nofollow\">4603003<\/a><\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4602959\" rel=\"nofollow\">4602959<\/a><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 3.5<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578950\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578950\" rel=\"nofollow\">4578950<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.5.2<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578954\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578954\" rel=\"nofollow\">4578954<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4600957\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4600957\" rel=\"nofollow\">4600957<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601093\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601093\" rel=\"nofollow\">4601093<\/a><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.8<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601057\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601057\" rel=\"nofollow\">4601057<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601091\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601091\" rel=\"nofollow\">4601091<\/a><\/td>\n<\/tr>\n<tr style=\"height: 42px;\" bgcolor=\"#F0F0F0\">\n<td style=\"height: 42px;\"><strong>Windows 7 SP1 and Windows Server 2008 R2 SP1<\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4603002\" rel=\"nofollow\">4603002<\/a><\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4602958\" rel=\"nofollow\">4602958<\/a><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 3.5.1<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578952\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578952\" rel=\"nofollow\">4578952<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.5.2<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578955\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578955\" rel=\"nofollow\">4578955<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4600945\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4600945\" rel=\"nofollow\">4600945<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601090\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601090\" rel=\"nofollow\">4601090<\/a><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.8<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4600944\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4600944\" rel=\"nofollow\">4600944<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601089\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601089\" rel=\"nofollow\">4601089<\/a><\/td>\n<\/tr>\n<tr style=\"height: 42px;\" bgcolor=\"#F0F0F0\">\n<td style=\"height: 42px;\"><strong>Windows Server 2008<\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4603005\" rel=\"nofollow\">4603005<\/a><\/strong><\/td>\n<td style=\"height: 42px;\"><\/td>\n<td style=\"height: 42px;\"><strong><a href=\"https:\/\/support.microsoft.com\/kb\/4602961\" rel=\"nofollow\">4602961<\/a><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 2.0, 3.0<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578951\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578951\" rel=\"nofollow\">4578951<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.5.2<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4578955\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4578955\" rel=\"nofollow\">4578955<\/a><\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<td style=\"height: 42px;\">N\/A<\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"height: 42px;\">.NET Framework 4.6<\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4600945\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4600945\" rel=\"nofollow\">4600945<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"http:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=4601090\" rel=\"nofollow\">Catalog<\/a><\/td>\n<td style=\"height: 42px;\"><a href=\"https:\/\/support.microsoft.com\/kb\/4601090\" rel=\"nofollow\">4601090<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h5>Previous Monthly Rollups<\/h5>\n<p>The last few .NET Framework Monthly updates are listed below for your convenience:<\/p>\n<ul>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-january-security-and-quality-rollup-update\/\" rel=\"nofollow\">.NET Framework January Security and Quality Rollup Update<\/a><\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-november-2020-cumulative-update-preview-for-windows-10-2004-and-windows-server-version-2004\/\" rel=\"nofollow\">.NET Framework November 2020 Cumulative Update Preview for Windows 10 2004 and Windows Server, version 2004<\/a><\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-november-2020-cumulative-update-preview\/\" rel=\"nofollow\">.NET Framework November 2020 Cumulative Update Preview<\/a><\/li>\n<li><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/net-framework-november-2020-security-and-quality-rollup-updates\/\" rel=\"nofollow\">.NET Framework November 2020 Security and Quality Rollup Updates<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Revised 6\/8\/2021: On June 8th, 2021, this update was released to replace a previous update to address a \u201crevocation server was offline\u201d error that may occur during installation. If you&#8217;ve already installed a previous release\u00a0of this update, no action is required. Revised 4\/15\/2021: On April 13th, 2021, this update was released to replace a previous [&hellip;]<\/p>\n","protected":false},"author":369,"featured_media":58792,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[195,326,509],"tags":[],"class_list":["post-31734","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dotnet-framework","category-security","category-wpf"],"acf":[],"blog_post_summary":"<p>Revised 6\/8\/2021: On June 8th, 2021, this update was released to replace a previous update to address a \u201crevocation server was offline\u201d error that may occur during installation. If you&#8217;ve already installed a previous release\u00a0of this update, no action is required. Revised 4\/15\/2021: On April 13th, 2021, this update was released to replace a previous [&hellip;]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/posts\/31734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/users\/369"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/comments?post=31734"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/posts\/31734\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/media\/58792"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/media?parent=31734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/categories?post=31734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/dotnet\/wp-json\/wp\/v2\/tags?post=31734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}