MS15-041: Vulnerability in the .NET Framework could allow information disclosure: April 14, 2015

2015-04-1400:00:00

Microsoft

support.microsoft.com

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:H/Au:N/C:P/I:N/A:N

JSON

<html><body><p>Resolves a vulnerability in the Microsoft .NET Framework that could allow information disclosure if an attacker sends a specially crafted web request to an affected server that has custom error messages disabled. An attacker who successfully exploits the vulnerability would be able to view parts of a web configuration file that could expose sensitive information.</p><h2></h2><div><br /><a href=“#appliestoproducts” target>View products that this article applies to.</a><span></span></div><h2>Introduction</h2><div>This update resolves a vulnerability in the Microsoft .NET Framework that could allow information disclosure if an attacker sends a specially crafted web request to an affected server that has custom error messages disabled. An attacker who successfully exploits the vulnerability would be able to view parts of a web configuration file that could expose sensitive information.</div><h2>Summary</h2><div>Microsoft has released security bulletin MS15-041. Learn more about how to obtain the fixes that are included in this security bulletin: <ul><li>For individual, small business, and organizational users, use the Windows automatic updating feature to install the fixes from Microsoft Update. To do this, see <a href=“http://www.microsoft.com/security/pc-security/updates.aspx” target=“self">Get security updates automatically</a> on the Microsoft Safety and Security Center website.<br /></li><li>For IT professionals, see <a href=“http://technet.microsoft.com/security/bulletin/ms15-041” target="self">Microsoft Security Bulletin MS15-041</a> on the Security TechCenter website.</li></ul></div><h2></h2><div><h3>How to obtain help and support for this security update</h3>Help installing updates: <a href=“https://support.microsoft.com/ph/6527” target="self">Support for Microsoft Update</a><br /><br />Security solutions for IT professionals: <a href=“http://technet.microsoft.com/security/bb980617.aspx” target="self">TechNet Security Troubleshooting and Support</a><br /><br />Help protect your Windows-based computer from viruses and malware: <a href=“https://support.microsoft.com/gp/cu_sc_virsec_master” target="self">Virus Solution and Security Center</a><br /><br />Local support according to your country: <a href=“https://support.microsoft.com/common/international.aspx” target="self">International Support</a></div><h2>More Information</h2><div><h4>Additional information about this update</h4>The following articles contain additional information about this update as it relates to individual product versions. The articles may contain specific information to the individual updates such as download URL, prerequisites, and command-line switches. <h5>Microsoft .NET Framework 4.5, 4.5.1, and 4.5.2</h5><ul><li><a href=“https://support.microsoft.com/en-us/help/3037581”>3037581 </a> MS15-041: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 on Windows Vista Service Pack 2, Windows Server 2008 Service Pack 2, Windows 7 Service Pack 1, and Windows Server 2008 R2 Service Pack 1: April 14, 2015</li><li><a href=“https://support.microsoft.com/en-us/help/3037580”>3037580 </a> MS15-041: Description of the security update for the .NET Framework 4.5, 4.5.1, and 4.5.2 on Windows 8, Windows RT, and Windows Server 2012: April 14, 2015</li><li><a href=“https://support.microsoft.com/en-us/help/3037579”>3037579 </a> MS15-041: Description of the security update for the .NET Framework 4.5.1 and 4.5.2 on Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2: April 14, 2015<br /><br /></li></ul><h5>Microsoft .NET Framework 4</h5><ul><li><a href=“https://support.microsoft.com/en-us/help/3037578”>3037578 </a> MS15-041: Description of the security update for the .NET Framework 4 on Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2: April 14, 2015<br /><br /></li></ul><h5>Microsoft .NET Framework 3.5.1</h5><ul><li><a href=“https://support.microsoft.com/en-us/help/3037574”>3037574 </a> MS15-041: Description of the security update for the .NET Framework 3.5.1 on Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1: April 14, 2015<br /><br /></li></ul><h5>Microsoft .NET Framework 3.5</h5><ul><li><a href=“https://support.microsoft.com/en-us/help/3037576”>3037576 </a> MS15-041: Description of the security update for the .NET Framework 3.5 on Windows 8.1 and Windows Server 2012 R2: April 14, 2015</li><li><a href=“https://support.microsoft.com/en-us/help/3037575”>3037575 </a> MS15-041: Description of the security update for the .NET Framework 3.5 on Windows 8 and Windows Server 2012: April 14, 2015<br /><br /></li></ul><h5>Microsoft .NET Framework 2.0</h5><ul><li><a href=“https://support.microsoft.com/en-us/help/3037573”>3037573 </a> MS15-041: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2: April 14, 2015</li><li><a href=“https://support.microsoft.com/en-us/help/3037577”>3037577 </a> MS15-041: Description of the security update for the .NET Framework 2.0 Service Pack 2 on Windows Server 2003: April 14, 2015</li></ul><h5>Microsoft .NET Framework 1.1</h5><ul><li><a href=“https://support.microsoft.com/en-us/help/3037572”>3037572 </a> MS15-041: Description of the security update for the .NET Framework 1.1 Service Pack 1 on x86-based versions of Windows Server 2003 Service Pack 2: April 14, 2015</li></ul></div><h2></h2><div><h4>Update replacement information</h4>Update replacement information for each specific update can be found in the Knowledge Base articles that correspond to this update.</div><h2></h2><div><div><div><div><span><span></span></span><span><span>Security update deployment</span></span></div><div><span><div><h5>Windows Server 2003 (all editions)</h5><div><span>Security update file names</span><div><table><tr><th>.NET Framework version </th><th>File name</th></tr><tr><td>.NET Framework 1.1 SP1 on all supported 32-bit editions of Windows Server 2003 </td><td>WindowsServer2003-KB3037572-x86-ENU.exe</td></tr><tr><td>.NET Framework 2.0 SP2 on all supported 32-bit editions of Windows Server 2003 </td><td>NDP20SP2-KB3037577-x86.exe</td></tr><tr><td>.NET Framework 4 on all supported 32-bit editions of Windows Server 2003 </td><td>NDP40-KB3037578-x86.exe</td></tr><tr><td>.NET Framework 2.0 SP2 on all supported x64-based editions of Windows Server 2003 </td><td>NDP20SP2-KB3037577-x64.exe</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows Server 2003 </td><td>NDP40-KB3037578-x64.exe</td></tr><tr><td>.NET Framework 2.0 SP2 on all supported Itanium-based editions of Windows Server 2003 </td><td>NDP20SP2-KB3037577-IA64.exe</td></tr><tr><td>.NET Framework 4 on all supported Itanium-based editions of Windows Server 2003 </td><td>NDP40-KB3037578-IA64.exe</td></tr></table></div><br /><span>Installation switches</span><br /><br />Learn about the various <a href=“https://support.microsoft.com/en-us/help/2844699”>command-line switches </a> that are supported by this Microsoft .NET Framework update.<br /><br /><span>Update log files</span><br /><br /><div><table><tr><th>NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 1.1 SP1 on Windows Server 2003 SP2 </td><td>KB3037572.log</td></tr><tr><td>.NET Framework 2.0 SP2 </td><td>Microsoft .NET Framework 2.0-KB3037577*-msi0.txt<br />Microsoft .NET Framework 2.0-KB3037577*.html</td></tr><tr><td>.NET Framework 4 </td><td>KB3037578**-Microsoft .NET Framework 4 Client Profile-MSP0.txt<br />KB3037578*.html</td></tr></table></div><br /><span>Restart requirement</span><br /><br />This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart.<br /><br /><span>Removal information</span><br /><br /><span>Note</span> We do not recommend that you remove any security update.<br /><br />To remove this update, use the <span>Add or Remove Programs</span> item in Control Panel.<br /><br /><span>File information</span><br /><br />See Microsoft Knowledge Base article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.<br /><br /><span>Registry key verification</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>Registry key information</th></tr><tr><td>.NET Framework 1.1 SP1 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows Server 2003\SP3\KB3037572<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 2.0 SP2 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 2.0 Service Pack 2\SP2\KB3037577<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 4 on all supported 32-bit editions of Windows Server 2003 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows Server 2003 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 4 on all supported Itanium-based editions of Windows Server 2003 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr></table></div><br /><h5>Windows Vista (all editions)</h5><div><span>Security update file names</span><br /><br /><div><table><tr><th>NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 2.0 Service Pack 2 on all supported 32-bit editions of Windows Vista</td><td>Windows6.0-KB3037573-x86.msu</td></tr><tr><td>.NET Framework 4 when installed on all supported 32-bit editions of Windows Vista</td><td>NDP40-KB3037578-x86.exe</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 when installed on all supported 32-bit editions of Windows Vista</td><td>NDP45-KB3037581-x86.exe</td></tr><tr><td>.NET Framework 2.0 Service Pack 2 on all supported x64-based editions of Windows Vista</td><td>Windows6.0-KB3037573-x64.msu</td></tr><tr><td>.NET Framework 4 when installed on all supported x64-based editions of Windows Vista</td><td>NDP40-KB3037578-x64.exe</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 when installed on all supported x64-based editions of Windows Vista</td><td>NDP45-KB3037581-x64.exe</td></tr></table></div><br /><span>Installation switches</span><br /><br />Learn about the various <a href=“https://support.microsoft.com/en-us/help/2844699”>command-line switches </a> that are supported by this Microsoft .NET Framework update.<br /><br /><span>Update log files</span><br /><br /><div><table><tr><th>NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 2.0 SP2 </td><td>Not applicable</td></tr><tr><td>.NET Framework 4 </td><td>KB3037578_*-Microsoft .NET Framework 4 Client Profile-MSP0.txt<br />KB3037578_.html</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 </td><td>KB3037581__-Microsoft .NET Framework [.NET target version]-MSP0.txt<br />KB3037581__.html</td></tr></table></div><br /><span>Restart requirement</span><br /><br />This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart.<br /><br /><span>Removal information</span><br /><br /><span>Note</span> We do not recommend that you remove any security update.<br /><br />To remove this update, use the <strong><span>Programs and Features</span></strong> item in Control Panel.<br /><br /><span>File information</span><br /><br />See Microsoft Knowledge Base article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.<br /><br /><span>Registry key verification</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>Registry key information</th></tr><tr><td>.NET Framework 2.0 SP2 </td><td><span>Note</span> A registry key does not exist to validate the presence of this update. Use WMI to detect the presence of this update.</td></tr><tr><td>.NET Framework 4 on all supported 32-bit editions of Windows Vista </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows Vista </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework [.NET target version]\KB3037581<br />“ThisVersionInstalled” = “Y”</td></tr></table></div><br /><h5>Windows Server 2008 (all editions)</h5><div><span>Security update file names</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 2.0 SP2 on all supported 32-bit editions of Windows Server 2008 SP2 </td><td>Windows6.0-KB3037573-x86.msu</td></tr><tr><td>.NET Framework 4 on all supported 32-bit editions of Windows Server 2008 SP2 </td><td>NDP40-KB3037578-x86.exe</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on all supported 32-bit editions of Windows Server 2008 SP2 </td><td>NDP45-KB3037581-x86.exe</td></tr><tr><td>.NET Framework 2.0 SP2 on all supported x64-based editions of Windows Server 2008 SP2 </td><td>Windows6.0-KB3037573-x64.msu</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows Server 2008 SP2 </td><td>NDP40-KB3037578-x64.exe</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on all supported x64-based editions of Windows Server 2008 SP2 </td><td>NDP45-KB3037581-x64.exe</td></tr><tr><td>.NET Framework 2.0 SP2 on all supported Itanium-based editions of Windows Server 2008 </td><td>Windows6.0-KB3037573-ia64.msu</td></tr><tr><td>.NET Framework 4 on Windows Server 2008 for Itanium-based Systems SP2 </td><td>NDP40-KB3037578-IA64.exe</td></tr></table></div><br /><br /><span>Installation switches<br /><br /></span>Learn about the various <a href=“https://support.microsoft.com/en-us/help/2844699”>command-line switches </a> that are supported by this Microsoft .NET Framework update.<br /><br /><span>Update log files</span><br /><br /><div><table><tr><th>NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 2.0 SP2 </td><td>Not applicable</td></tr><tr><td>.NET Framework 4 </td><td>KB3037578__-Microsoft .NET Framework 4 Client Profile-MSP0.txt<br />KB3037578__.html</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 </td><td>KB3037581__-Microsoft .NET Framework [.NET target version]-MSP0.txt<br />KB3037581__.html</td></tr></table></div><br /><span>Restart information</span><br /><br />This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if the required files are being used, this update will require a restart. If this behavior occurs, you receive a message that advises you to restart.<br /><br /><span>Removal information</span><br /><br /><span>Note</span> We do not recommend that you remove any security update.<br /><br />To remove this update, use the <strong><span>Programs and Features</span></strong> item in Control Panel.<br /><br /><span>File information</span><br /><br />See Microsoft Knowledge Base article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.<br /><br /><span>Registry key verification</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>Registry key information </th></tr><tr><td>.NET Framework 2.0 SP2 </td><td><span>Note</span> A registry key does not exist to validate the presence of this update. Use WMI to detect for the presence of this update.</td></tr><tr><td>.NET Framework 4 on all supported 32-bit editions of Windows Server 2008 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows Server 2008 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 4 on all supported Itanium-based editions of Windows Server 2008 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2</td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework [.NET target version]\KB3037581<br />“ThisVersionInstalled” = “Y”</td></tr></table></div><br /><h5>Windows 7 (all editions)</h5><div><span>Inclusion in future service packs</span><br /><br />The update for this issue will be included in a future service pack or update rollup.<br /><br /><span>Security update file names</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 3.5.1 on all supported 32-bit editions of Windows 7 SP 1 </td><td>Windows6.1-KB3037574-x86.msu</td></tr><tr><td>.NET Framework 4 on all supported 32-bit editions of Windows 7 SP1 </td><td>NDP40-KB3037578-x86.exe</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on all supported 32-bit editions of Windows 7 SP1 </td><td>NDP45-KB3037581-x86.exe</td></tr><tr><td>.NET Framework 3.5.1 on all supported x64-based editions of Windows 7 SP1 </td><td>Windows6.1-KB3037574-x64.msu</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows 7 SP1 </td><td>NDP40-KB3037578-x64.exe</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on all supported x64-based editions of Windows 7 SP1 </td><td>NDP45-KB3037581-x64.exe</td></tr></table></div><br /><span>Installation switches</span><br /><br />Learn about the various <a href=“https://support.microsoft.com/en-us/help/2844699”>command-line switches </a> that are supported by this Microsoft .NET Framework update.<br /><br /><span>Update log files</span><br /><br /><div><table><tr><th>NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 3.5.1 </td><td>Not applicable.</td></tr><tr><td>.NET Framework 4 </td><td>KB3037578__-Microsoft .NET Framework 4 Client Profile-MSP0.txt<br />KB3037578__.html</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 </td><td>KB3037581__-Microsoft .NET Framework [.NET target version]-MSP0.txt<br />KB3037581__.html</td></tr></table></div><br /><span>Restart requirement</span><br /><br />This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart.<br /><br /><span>Removal information</span><br /><br /><span>Note</span> We do not recommend that you remove any security update.<br /><br />To remove this update, use the <strong><span>Programs and Features</span></strong> item in Control Panel.<br /><br /><span>File information</span><br /><br />See Microsoft Knowledge Base article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.<br /><br /><span>Registry key verification</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>Registry key information</th></tr><tr><td>.NET Framework 3.5.1 </td><td><span>Note</span> A registry key does not exist to validate the presence of this update. Use WMI to detect for the presence of this update.</td></tr><tr><td>.NET Framework 4 on all supported 32-bit editions of Windows 7 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows 7 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework [.NET target version]\KB3037581<br />“ThisVersionInstalled” = “Y”</td></tr></table></div><br /><h5>Windows Server 2008 R2 (all editions)</h5><div><span>Inclusion in future service packs <br /></span><br />The update for this issue will be included in a future service pack or update rollup.<br /><br /><span>Security update file names</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 3.5.1 on all supported x64-based editions of Windows Server 2008 R2 SP1 </td><td>Windows6.1-KB3037574-x64.msu</td></tr><tr><td>.NET Framework 4 on all supported x64-based editions of Windows Server 2008 R2 SP1 </td><td>NDP40-KB3037578-x64.exe</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on all supported x64-based editions of Windows Server 2008 R2 SP1 </td><td>NDP45-KB3037581-x64.exe</td></tr><tr><td>.NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-based Systems SP1 </td><td>Windows6.1-KB3037574-ia64.msu</td></tr><tr><td>.NET Framework 4 on Windows Server 2008 R2 for Itanium-based Systems SP1 </td><td>NDP40-KB3037578-IA64.exe</td></tr></table></div><br /><span>Installation switches<br /><br /></span>Learn about the various <a href=“https://support.microsoft.com/en-us/help/2844699”>command-line switches </a> that are supported by this Microsoft .NET Framework update.<br /><br /><span>Update log files</span><br /><br /><div><table><tr><th>NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 3.5.1 </td><td>Not applicable</td></tr><tr><td>.NET Framework 4 </td><td>KB3037578__-Microsoft .NET Framework 4 Client Profile-MSP0.txt<br />KB3037578__.html</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 </td><td>KB3037581__-Microsoft .NET Framework [.NET target version]-MSP0.txt<br />KB3037581__.html</td></tr></table></div><br /><span>Restart requirement</span><br /><br />This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart.<br /><br /><span>Removal information</span><br /><br /><span>Note</span> We do not recommend that you remove any security update.<br /><br />To remove this update, use the <strong><span>Programs and Features</span></strong> item in Control Panel.<br /><br /><span>File information</span><br /><br />See Microsoft Knowledge Base article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.<br /><br /><span>Registry key verification</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>Registry key information</th></tr><tr><td>.NET Framework 3.5.1 </td><td><span>Note</span> A registry key does not exist to validate the presence of this update. Use WMI to detect for the presence of this update.</td></tr><tr><td>.NET Framework 4 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Updates\Microsoft .NET Framework 4 Client Profile\KB3037578<br />“ThisVersionInstalled” = “Y”</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 </td><td>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Microsoft .NET Framework [.NET target version]\KB3037581<br />“ThisVersionInstalled” = “Y”</td></tr></table></div><br /><h5>Windows 8 and Windows 8.1 (all editions)</h5><div><span>Inclusion in future service packs <br /><br /></span>The update for this issue will be included in a future service pack or update rollup.<br /><br /><span>Security update file names</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 3.5 on Windows 8 for 32-bit Systems </td><td>Windows8-RT-KB3037575-x86.msu</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on Windows 8 for 32-bit Systems </td><td>Windows8-RT-KB3037580-x86.msu</td></tr><tr><td>.NET Framework 3.5 on Windows 8 for x64-based Systems </td><td>Windows8-RT-KB3037575-x64.msu</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on Windows 8 for x64-based Systems </td><td>Windows8-RT-KB3037580-x64.msu</td></tr><tr><td>.NET Framework 3.5 on Windows 8.1 for 32-bit Systems </td><td>Windows8.1-KB3037576-x86.msu</td></tr><tr><td>.NET Framework versions 4.5.1 and 4.5.2 on Windows 8.1 for 32-bit Systems </td><td>Windows8.1-KB3037579-x86.msu</td></tr><tr><td>.NET Framework 3.5 on Windows 8.1 for x64-based Systems </td><td>Windows8.1-KB3037576-x64.msu</td></tr><tr><td>.NET Framework versions 4.5.1 and 4.5.2 on Windows 8.1 for x64-based Systems </td><td>Windows8.1-KB3037579-x64.msu</td></tr></table></div><br /><span>Installation switches<br /><br /></span>Learn about the various <a href=“https://support.microsoft.com/en-us/help/2844699”>command-line switches </a> that are supported by this Microsoft .NET Framework update.<br /><br /><span>Restart requirement</span><br /><br />This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart.<br /><br /><span>Removal information</span><br /><br /><span>Note</span> We do not recommend that you remove any security update.<br /><br />To remove this update, use the <strong><span>Programs and Features</span></strong> item in Control Panel.<br /><br /><span>File information</span><br /><br />See Microsoft Knowledge Base article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.<br /><br /><span>Registry key verification</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>Registry key information</th></tr><tr><td>.NET Framework 3.5 </td><td><span>Note</span> A registry key does not exist to validate the presence of this update. Use WMI to detect for the presence of this update.</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2</td><td><span>Note</span> A registry key does not exist to validate the presence of this update. Use WMI to detect for the presence of this update.</td></tr></table></div><br /><h5>Windows Server 2012 and Windows Server 2012 R2 (all editions)</h5><div><span>Inclusion in future service packs <br /></span><br />The update for this issue will be included in a future service pack or update rollup.<br /><br /><span>Security update file names</span><br /><br /><div><table><tr><th>.NET Framework version</th><th>File name</th></tr><tr><td>.NET Framework 3.5 on Windows Server 2012 </td><td>Windows8-RT-KB3037575-x64.msu</td></tr><tr><td>.NET Framework versions 4.5, 4.5.1, and 4.5.2 on Windows Server 2012 </td><td>Windows8-RT-KB3037580-x64.msu</td></tr><tr><td>.NET Framework 3.5 on Windows Server 2012 R2 </td><td>Windows8.1-KB3037576-x64.msu</td></tr><tr><td>.NET Framework versions 4.5.1 and 4.5.2 on Windows Server 2012 R2 </td><td>Windows8.1-KB3037579-x64.msu</td></tr></table></div><br /><span>Installation switches<br /><br /></span>Learn about the various <a href=“https://support.microsoft.com/en-us/help/2844699”>command-line switches </a> that are supported by this Microsoft .NET Framework update.<br /><br /><span>Restart requirement</span><br /><br />This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message is displayed that advises you to restart.<br /><br /><span>Removal information</span><br /><br /><span>Note</span> We do not recommend that you remove any security update.<br /><br />To remove this update, use the <strong><span>Programs and Features</span></strong> item in Control Panel.<br /><br /><span>File information</span><br /><br />See Microsoft Knowledge Base article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.<br /><br /><span>Registry key verification <br /><br />Note </span>A registry key does not exist to validate the presence of this update. Use WMI to detect the presence of this update.<br /><br /><h5>Windows RT and Windows RT 8.1 (all editions)</h5><div>The following table contains the security update information for this software.<br /><br /><div><table><tr><td><span>Deployment</span></td><td>For Microsoft .NET Framework versions 4.5, 4.5.1, and 4.5.2 on Windows RT:<br />The 3037580 update is available through <a href=“http://go.microsoft.com/fwlink/?linkid=21130” target=”_self">Windows Update</a>.</td></tr><tr><td></td><td>For Microsoft .NET Framework versions 4.5.1 and 4.5.2 on Windows RT 8.1:<br />The 3037579 update is available through <a href=“http://go.microsoft.com/fwlink/?linkid=21130” target=“_self”>Windows Update</a>. </td></tr><tr><td><span>Restart Requirement</span></td><td>Yes, you must restart your system after you apply this security update.</td></tr><tr><td><span>Removal Information</span></td><td>Click <span>Control Panel</span>, click <span>System and Security</span>, click <span>Windows Update</span>, and under <strong>See also</strong>, click <span>Installed updates</span>, and then select from the list of updates.</td></tr><tr><td><span>File Information</span></td><td>See Microsoft Knowledge Base Article <a href=“https://support.microsoft.com/en-us/help/3048010”>3048010 </a>.</td></tr></table></div><br /></div><br /></div></div></div></div></div></div></div></div></span></div></div></div></div><h2></h2><div><div><div><div><span><span></span></span><span><span>File hash information</span></span></div><div><span><div><div><table><tr><th>Package Name</th><th>Package Hash SHA1</th><th>Package Hash SHA2</th></tr><tr><td>MSIPatchRegFix-AMD64.exe</td><td>5011CB29B096FB674A4795EE8FC2F7FDAD33863A</td><td>BA62C33DD90ECC3C945AE4F52EEEB2FA07D2C53FB975263B483D09D80F02230D</td></tr><tr><td>MSIPatchRegFix-IA64.exe</td><td>CB861EAF1F4CDFFAD5F83604C7250CD9EDD96433</td><td>61867793FC7556B79E5833CC18F493A5611EDE94E0D944575E89BAA76B223A0D</td></tr><tr><td>MSIPatchRegFix-X86.exe</td><td>94A84B80B8B45A1AC53A0E5D085513DA0F099655</td><td>C83C5EE1D4FBFF5260A7D984471EAF4C6004431C21B4F661018BDB92CC124290</td></tr><tr><td>NDP20SP2-KB3037577-IA64.exe</td><td>A15881EC1BA0255313ABA8E98D9E627CB7DF48D1</td><td>C07B31F210B3C8C0131B50B166E855A7B9B93AA54B1B573E78E307A2F80A68CF</td></tr><tr><td>NDP20SP2-KB3037577-x64.exe</td><td>CE7E2CD29E1D0B4FD186A059B85EA0165545AA9E</td><td>12A16CB6CEAAD21514B0577D7B782EBDE32D373BE2E5FCCA52313BFD82FCF3C4</td></tr><tr><td>NDP20SP2-KB3037577-x86.exe</td><td>84F4149ECC07A395AFC0DBF27260B79EE27B940A</td><td>25595C1E82C7D292C17C170B1F317A516F56E77AC27E4546783244DAF413D376</td></tr><tr><td>NDP40-KB3037578-IA64.exe</td><td>D713A5B0D6282C0B911D41F634E85F587FC6E79B</td><td>850182AB3960893B530E6CF5ACAF6D7DBEA6F65D5B3968788D033989A983F240</td></tr><tr><td>NDP40-KB3037578-x64.exe</td><td>1E83D8A769AC9284F19DDDE85871A50A1B159577</td><td>BAA92D90F454EC67FE0B06DC1C388EBE4E805C5A19CFCE5494AE0F1B2BB9D331</td></tr><tr><td>NDP40-KB3037578-x86.exe</td><td>D7269E7377561664868D2E097F98D7608A345872</td><td>D301EACAD418CC13429B91B6056C3266ABCB6A8686BE9B3235383CBC3B81BC4F</td></tr><tr><td>NDP45-KB3037581-x64.exe</td><td>C08EE14753E46A9DC873B6B22E15BB13A96FA3B8</td><td>E46B7CB67209ED69E2152EBFCE1B8BF33F1A56FDED86EB05E6D1359C6FE5D418</td></tr><tr><td>NDP45-KB3037581-x86.exe</td><td>C8B83A801574C1C80A8551D18A3F5E420612355C</td><td>26D71521D568CAD37D1937CE12CD83CA978CA6FC96A770C54E84617E5E20AB1F</td></tr><tr><td>Windows6.0-KB3037573-ia64.msu</td><td>EAC156F86A9FB1D6DD0096B75B399747F258092A</td><td>C8215020412FDDB15DB02371A25B4E885D116A365190374EF67843C5D5C4078E</td></tr><tr><td>Windows6.0-KB3037573-x64.msu</td><td>B897150FF015720401C51DC56EBEA2C7EFF252BD</td><td>9BF9805B4BA94F6CDD8C9E3D4BB23189A0A6486F800F9C1B3102E3DEAE4F0A26</td></tr><tr><td>Windows6.0-KB3037573-x86.msu</td><td>1CCE0E241FC5340E92746C4F12CB8CC8C8A8922C</td><td>12048027D95B24473499A5E45D44645BE2B02A35C37C87C991081332F5751DC1</td></tr><tr><td>Windows6.0-KB980842-ia64.msu</td><td>2A2A67B37490C495E23B1EC709BACA49D06F0272</td><td>9494EDBFFE5DF90060C253C6E185DC2EE9739C144BCF1B25C2F42914078752EC</td></tr><tr><td>Windows6.0-KB980842-x64.msu</td><td>56CCB4131E94F0E4740AC65D54603AD9A2F32FDE</td><td>CC84E048D5B9A0F35F9FE981C1F0FCA67261D0C07B026B18B5626DE9ED97C6F1</td></tr><tr><td>Windows6.0-KB980842-x86.msu</td><td>A6FC223B39B42789FF7A319AFEFF86DF2913D187</td><td>C41C2294AC8CEDE7308711183F8E0FA5BE9208ACBEEF5DB347BE6E0C8AF2E4AA</td></tr><tr><td>Windows6.1-KB3037574-ia64.msu</td><td>079FAB4D19F5EF9F84A8F339DACA7985DD004B18</td><td>BD1A3CB2224403D7910C34D4CBFA4AB3B710792F9AA382D1477CE0F2054BC7A7</td></tr><tr><td>Windows6.1-KB3037574-x64.msu</td><td>C9B0B83765A45811A4AB6F3F73B984A479A85732</td><td>E791F371146E561EC068766BF7C4675BC3AA7A2B4F3F1E72657308928B724BB8</td></tr><tr><td>Windows6.1-KB3037574-x86.msu</td><td>76628701022BC09846327D2CE164F07411869A5A</td><td>6EFF956EEE6F91C3B3E55A524DDCB12F9061E8F4F03D840B2CDDA866A06143D0</td></tr><tr><td>Windows8.1-KB3037576-x64.msu</td><td>C7D62CA77C38A718EDE5ED2C6B83F8ED47518682</td><td>208F5DF826D52C1A3B930F007387982857D91D365EBF82A8A2AE8C4AB6C6DA52</td></tr><tr><td>Windows8.1-KB3037576-x86.msu</td><td>4F94B850DE3BEB4FD5B6ADEBBE807CACA88DA078</td><td>A279744F8E50B6C17BF1EFADC129CF151D18124A2D0B4A03AD55757E098DE945</td></tr><tr><td>Windows8.1-KB3037579-x64.msu</td><td>C9700EEC7018EC6F8ADAB1B1487CCC0E2EB08FEF</td><td>07F24A2733358A836F69CFBD47AF6DEA56DA4BBFC57251063529738838B8939F</td></tr><tr><td>Windows8.1-KB3037579-x86.msu</td><td>1F1B7EF18C1E2333D88004572756A2F026303185</td><td>9428582A632850E2FCB92FCFAE3676DBDFCA8D9354EDF587F6C259E37539447F</td></tr><tr><td>Windows8-RT-KB3037575-x64.msu</td><td>56D0A3879F762EC410345473A165E6097D288E8B</td><td>63394646277973896E75D46172E01B0CF612E4036D184B8FDB1D3E6133F05D3D</td></tr><tr><td>Windows8-RT-KB3037575-x86.msu</td><td>D75E121F15896226F4CDAAB45CE15BBDC93F9B91</td><td>BE8F141C1E1DB8EAAA8BF023C17F32885AA95ED77EB7A6C3580E256BE69463B5</td></tr><tr><td>Windows8-RT-KB3037580-x64.msu</td><td>C64197AA4C276A0BD16940E1FC41831E15E1B1ED</td><td>9995B2D4916574BF05F2B25A6D6C4582DA357418283E1FF5A9915D30E495CFBE</td></tr><tr><td>Windows8-RT-KB3037580-x86.msu</td><td>F4FA397974480E340BD4CBBA4F0A05E2D7246FFB</td><td>9C528395FA40571253240484690FFEDB60A2918971E388D12832F129E978F9BF</td></tr><tr><td>WindowsServer2003-KB3037572-x86-CHS.exe</td><td>55B2D2155BBA1713F973B670C9F243AE0FC1F54B</td><td>E67926B47048763CEE994732C542ED042BAE7BD6952A693CA78D81C87D155485</td></tr><tr><td>WindowsServer2003-KB3037572-x86-CHT.exe</td><td>F08856468DB8F066985BE19DF446DBE8C05EDF8B</td><td>ED005A59D84EFCD2DDFFABCBF6E4C21853CBF5A043E4AB54E4E61FBEDBE63EFB</td></tr><tr><td>WindowsServer2003-KB3037572-x86-CSY.exe</td><td>0D176D1C41BBA74F8008A505CB6642FF93BB4403</td><td>0DC59098616E1CBE12DFB8A68A6B2BD727AD5ED7EC326EC67F5FDF84A595E0F6</td></tr><tr><td>WindowsServer2003-KB3037572-x86-DEU.exe</td><td>0422C326A1B07B32FBD77A113645D892AE9987FB</td><td>0588D1466F8B7ACB8CFAE5B625712D432E9299BD66863AD8FD06FDAE9A71CAE5</td></tr><tr><td>WindowsServer2003-KB3037572-x86-ENU.exe</td><td>62050D03AC0972E8A4F688A63B6806F6F51A185A</td><td>5438BF3DB92E4B2A0579EF369BB02B48A7CA4C7F2752745760E195F3800417B2</td></tr><tr><td>WindowsServer2003-KB3037572-x86-ESN.exe</td><td>C15ABF414F011A01722E6101E9CF4F601DCB6893</td><td>773EA5B386156E8C566895039CB5463190E7250A0D52A9BEE15EB043130AD8F8</td></tr><tr><td>WindowsServer2003-KB3037572-x86-FRA.exe</td><td>C342718709E675099F01A45099F4B0E6C940C8CE</td><td>4BF0FF69B6DF7C225AFD2D2E64C8FDBF70F4576EFC75ADB46DCA0EBD404E4F6A</td></tr><tr><td>WindowsServer2003-KB3037572-x86-HUN.exe</td><td>A5144816DF5C3B06F647265B1F9FF1F38897907E</td><td>3AA9FA936CEB2B0BBB211C61E15E3560D729DB5E664933AD2D935689A24F8C5F</td></tr><tr><td>WindowsServer2003-KB3037572-x86-ITA.exe</td><td>C873D323AC6C7E8589025FFFF583A305FDBB600B</td><td>14CC900430AAABBCDCD6F0C6BFEBFA564C387E80A0A9BA14374BF75082A5DF35</td></tr><tr><td>WindowsServer2003-KB3037572-x86-JPN.exe</td><td>A264B161A761DC8EA7C9E8D2842CB6C0FAA0599C</td><td>3968725CACAA55E5E43E9ED64FF3BA4FC0CEFA77081ACA169C265593D0209556</td></tr><tr><td>WindowsServer2003-KB3037572-x86-KOR.exe</td><td>F5B4F6A3B3485AB22C2F1D9AAE6DE183F8ACB851</td><td>0495C8AF5B7C7609248B27CBE4CC241D653EF91A2AAE62468F6F54531AD2DB9C</td></tr><tr><td>WindowsServer2003-KB3037572-x86-NLD.exe</td><td>652AEEF7AB2E57DEEE56B644052D44D733079481</td><td>E362164386A7102E1AC2308DDC13DB4E676FFA1FBF07DD2DB250CC8D9888E036</td></tr><tr><td>WindowsServer2003-KB3037572-x86-PLK.exe</td><td>243A839FEA4F6A622C326493CE4CBBC31789DEFA</td><td>D12A5A53FC19140966E761E82128AF94F55BAD74EAB69728ED392201AC6234D1</td></tr><tr><td>WindowsServer2003-KB3037572-x86-PTB.exe</td><td>77DCDB94F55A08D33DA811129959B14FC8A40720</td><td>F3126D86AD6960293EFBB706AE0444AAB1FA994D2CEDF3D3012FA53DE82CA8E0</td></tr><tr><td>WindowsServer2003-KB3037572-x86-PTG.exe</td><td>86A01A8ED971A7D6091001A29A968B0FB0E87031</td><td>E711DF17ECC765D25512518DDB10BBBCB60CC4D43AC2944CFDEAE11462E837D2</td></tr><tr><td>WindowsServer2003-KB3037572-x86-RUS.exe</td><td>1F7569D06BDA75FC72E1B6FA51B852DFB8BBAB91</td><td>A6175F0AF71898A7AF3E130CFA06B4831EBA1BDF4DC5FDB272C5029B53C54E3D</td></tr><tr><td>WindowsServer2003-KB3037572-x86-SVE.exe</td><td>0F1605D4D277EF46E9F8131C41DB9A64ADB8D6EE</td><td>8FFF21B1BE80EE008F2313CD5FDA5F749C4685578BF8FBA786A2902E20C9FDDD</td></tr><tr><td>WindowsServer2003-KB3037572-x86-TRK.exe</td><td>632AED68F468DBEA62EAF25EB836D390294361A2</td><td>B5D9D4AD57D95B0C2654FD6C5C88B96A94CDF187D864DFF4D2375A114860B909</td></tr></table></div></div><br /></span></div></div></div></div><h2></h2><div><a></a><br /><h3>Applies to</h3>This article applies to the following:<ul><li>Microsoft .NET Framework 4.5.2 when used with:<ul><li>Windows Server 2012 R2</li><li>Windows 8.1</li><li>Windows RT 8.1</li><li>Windows Server 2012</li><li>Windows 8</li><li>Windows RT</li><li>Windows Server 2008 R2 Service Pack 1</li><li>Windows 7 Service Pack 1</li><li>Windows Server 2008 Service Pack 2</li><li>Windows Vista Service Pack 2</li></ul></li><li>Microsoft .NET Framework 4.5.1 when used with:<ul><li>Windows Server 2012 R2</li><li>Windows 8.1</li><li>Windows RT 8.1</li><li>Windows Server 2012</li><li>Windows 8</li><li>Windows RT</li><li>Windows Server 2008 R2 Service Pack 1</li><li>Windows 7 Service Pack 1</li><li>Windows Server 2008 Service Pack 2</li><li>Windows Vista Service Pack 2</li></ul></li><li>Microsoft .NET Framework 4.5 when used with:<ul><li>Windows Server 2012</li><li>Windows 8</li><li>Windows RT</li><li>Windows Server 2008 R2 Service Pack 1</li><li>Windows 7 Service Pack 1</li><li>Windows Server 2008 Service Pack 2</li><li>Windows Vista Service Pack 2</li></ul></li><li>Microsoft .NET Framework 4 when used with:<ul><li>Windows Server 2008 R2 Service Pack 1</li><li>Windows 7 Service Pack 1</li><li>Windows Server 2008 Service Pack 2</li><li>Windows Vista Service Pack 2</li><li>Windows Server 2003 Service Pack 2</li></ul></li><li>Microsoft .NET Framework 3.5.1 when used with:<ul><li>Windows Server 2008 R2 Service Pack 1</li><li>Windows 7 Service Pack 1</li></ul></li><li>Microsoft .NET Framework 3.5 when used with:<ul><li>Windows Server 2012 R2</li><li>Windows 8.1</li><li>Windows Server 2012</li><li>Windows 8</li></ul></li><li>Microsoft .NET Framework 2.0 Service Pack 2 when used with:<ul><li>Windows Server 2008 Service Pack 2</li><li>Windows Vista Service Pack 2</li><li>Windows Server 2003 Service Pack 2</li></ul></li><li>Microsoft .NET Framework 1.1 Service Pack 1 when used with:<ul><li>Windows Server 2003 Service Pack 2</li></ul></li></ul></div></body></html>