MS15-044 - Critical: Vulnerabilities in Microsoft Font Drivers Could Allow Remote Code Execution (3057110) - Version: 2.0

Severity Rating: CriticalRevision Note: V2.0 (May 21, 2015): Bulletin revised to announce the availability of a new update (3065979) that fixes a known issue that some customers experienced after installing the 3045171 security update on all supported editions of Windows 7/Windows 2008 R2 and earlier systems. The 3045171 security update causes customer applications to crash while attempting to create text-outline-based path objects using GDI+. Customers who are experiencing this known issue can correct the problem by installing the 3065979 update. See Microsoft Knowledge Base Article 3065979 for more information and download links.Summary: This security update resolves vulnerabilities in Microsoft Windows, Microsoft .NET Framework, Microsoft Office, Microsoft Lync, and Microsoft Silverlight. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted document or visits an untrusted webpage that contains embedded TrueType fonts.

Posted by on 21 May 2015 | 2:00 am

MS15-046 - Important: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3057181) - Version: 2.0

Severity Rating: ImportantRevision Note: V2.0 (May 19, 2015): Bulletin revised to announce the release of the Microsoft Office for Mac 14.5.1 update. The release addresses a potential issue with Microsoft Outlook for Mac when customers install the Microsoft Office for Mac 14.5.0 update. Customers who have not already installed the 14.5.0 update should install the 14.5.1 update to be fully protected from this vulnerability. To avoid the possibility of future issues with Microsoft Outlook for Mac, Microsoft recommends that customers running Office for Mac software who have already successfully installed the 14.5.0 update also apply the 14.5.1 update even though they are already protected from this vulnerability. Customers running other Microsoft Office software do not need to take any action. See Microsoft Knowledge Base Article 3048688 for more information.Summary: This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Posted by on 19 May 2015 | 2:00 am

MS15-053 - Important: Vulnerabilities in JScript and VBScript Scripting Engines Could Allow Security Feature Bypass (3057263) - Version: 1.1

Severity Rating: ImportantRevision Note: V1.1 (May 13, 2015): Revised bulletin to correct the updates replaced for Windows Server 2008 R2 (Server Core installation). This is an informational change only. There were no changes to the update files. Customers who have already successfully updated their systems do not need to take any action..Summary: This security update resolves ASLR security feature bypasses in the JScript and VBScript scripting engines in Microsoft Windows. An attacker could use an ASLR bypass in conjunction with another vulnerability, such as a remote code execution vulnerability, that could take advantage of the ASLR bypass to run arbitrary code. For example, a remote code execution vulnerability that is blocked by ASLR could be exploited after a successful ASLR bypass.

Posted by on 13 May 2015 | 2:00 am

MS15-052 - Important: Vulnerability in Windows Kernel Could Allow Security Feature Bypass (3050514) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if an attacker can log on to an affected system and run a specially crafted application.

Posted by on 12 May 2015 | 2:00 am

MS15-043 - Critical: Cumulative Security Update for Internet Explorer (3049563) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Posted by on 12 May 2015 | 2:00 am

MS15-045 - Critical: Vulnerability in Windows Journal Could Allow Remote Code Execution (3046002) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow remote code execution if a user opens a specially crafted Journal file. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

Posted by on 12 May 2015 | 2:00 am

MS15-055 - Important: Vulnerability in Schannel Could Allow Information Disclosure (3061518) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow information disclosure when Secure Channel (Schannel) allows the use of a weak Diffie-Hellman ephemeral (DHE) key length of 512 bits in an encrypted TLS session. Allowing 512-bit DHE keys makes DHE key exchanges weak and vulnerable to various attacks. A server needs to support 512-bit DHE key lengths for an attack to be successful; the minimum allowable DHE key length in default configurations of Windows servers is 1024 bits.

Posted by on 12 May 2015 | 2:00 am

MS15-049 - Important: Vulnerability in Silverlight Could Allow Elevation of Privilege (3058985) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Microsoft Silverlight. The vulnerability could allow elevation of privilege if a specially crafted Silverlight application is run on an affected system. To exploit the vulnerability an attacker would first have to log on to the system or convince a logged on user to execute the specially crafted application.

Posted by on 12 May 2015 | 2:00 am

MS15-054 - Important: Vulnerability in Microsoft Management Console File Format Could Allow Denial of Service (3051768) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow denial of service if a remote, unauthenticated attacker convinces a user to open a share containing a specially crafted .msc file. However, an attacker would have no way of forcing a user to visit the share or view the file.

Posted by on 12 May 2015 | 2:00 am

MS15-048 - Important: Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3057134) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves vulnerabilities in Microsoft .NET Framework. The most severe of the vulnerabilities could allow elevation of privilege if an attacker sends specially crafted data to a WinForms application running in partial trust.

Posted by on 12 May 2015 | 2:00 am

MS15-047 - Important: Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (3058083) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves vulnerabilities in Microsoft Office server and productivity software. The vulnerabilities could allow remote code execution if an authenticated attacker sends specially crafted page content to a SharePoint server. An attacker who successfully exploited these vulnerabilities could run arbitrary code in the security context of the W3WP service account on the target SharePoint site.

Posted by on 12 May 2015 | 2:00 am

MS15-050 - Important: Vulnerability in Service Control Manager Could Allow Elevation of Privilege (3055642) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Windows Service Control Manager (SCM), which is caused when SCM improperly verifies impersonation levels. The vulnerability could allow elevation of privilege if an attacker can first log on to the system and then run a specially crafted application designed to increase privileges.

Posted by on 12 May 2015 | 2:00 am

MS15-051 - Important: Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (3057191) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (May 12, 2015): Bulletin published.Summary: This security update resolves vulnerabilities in Microsoft Windows. The more severe of these vulnerabilities could allow elevation of privilege if an attacker could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability. The vulnerability could not be exploited remotely or by anonymous users.

Posted by on 12 May 2015 | 2:00 am

MS15-041 - Important: Vulnerability in .NET Framework Could Allow Information Disclosure (3048010) - Version: 2.0

Severity Rating: ImportantRevision Note: V2.0 (May 12, 2015): V2.0 (May 12, 2015): Bulletin re-released to address issues with the 3037580 update for Microsoft .NET Framework 4.5/4.5.1/4.5.2 on affected editions of Microsoft Windows. Customers running these versions of .NET Framework are encouraged to install the new version of the 3037580 update to be protected from the vulnerability discussed in this bulletin. See Microsoft Knowledge Base Article 3037580 for more information.Summary: This security update resolves a vulnerability in Microsoft .NET Framework. The vulnerability 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 exploited the vulnerability would be able to view parts of a web configuration file, which could expose sensitive information.

Posted by on 12 May 2015 | 2:00 am

MS15-032 - Critical: Cumulative Security Update for Internet Explorer (3038314) - Version: 2.0

Severity Rating: CriticalRevision Note: V2.0 (April 30, 2015): Updated bulletin to inform customers running Internet Explorer on Windows Server 2003 Service Pack 2 that the 3038314 update on the Microsoft Download Center was updated on April 22, 2015. Microsoft recommends that customers who installed the 3038314 update prior to April 22 should reinstall the update to be fully protected from the vulnerabilities discussed in this bulletin.Summary: This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Posted by on 30 April 2015 | 2:00 am

MS15-035 - Critical: Vulnerability in Microsoft Graphics Component Could Allow Remote Code Execution (3046306) - Version: 1.1

Severity Rating: CriticalRevision Note: V1.1 (April 29, 2015): Bulletin revised to correct update replacement entries for all affected software. This is an informational change only.Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker successfully convinces a user to browse to a specially crafted website, open a specially crafted file, or browse to a working directory that contains a specially crafted Enhanced Metafile (EMF) image file. In all cases, however, an attacker would have no way to force users to take such actions; an attacker would have to convince users to do so, typically by way of enticements in email or Instant Messenger messages.

Posted by on 29 April 2015 | 2:00 am

MS15-034 - Critical: Vulnerability in HTTP.sys Could Allow Remote Code Execution (3042553) - Version: 1.1

Severity Rating: CriticalRevision Note: V1.1 (April 22, 2015): Bulletin revised to correct the update replacement entries for Windows 8 and Windows Server 2012 in the Affected Software table. This is an informational change only. There were no changes to the update files. Customers who have already successfully updated their systems do not need to take any action.Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends a specially crafted HTTP request to an affected Windows system.

Posted by on 22 April 2015 | 2:00 am

MS15-033 - Critical: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019) - Version: 1.1

Severity Rating: CriticalRevision Note: V1.1 (April 21, 2015): Revised bulletin to announce a detection change for the 2553428 update for supported editions of Microsoft Word 2010. There were no changes to the update files. Customers who have already successfully updated their systems do not need to take any action.Summary: This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Posted by on 21 April 2015 | 2:00 am

MS15-042 - Important: Vulnerability in Windows Hyper-V Could Allow Denial of Service (3047234) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (April 14, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow denial of service if an authenticated attacker runs a specially crafted application in a virtual machine (VM) session. Note that the denial of service does not allow an attacker to execute code or elevate user rights on other VMs running on the Hyper-V host; however, it could cause other VMs on the host to not be manageable in Virtual Machine Manager.

Posted by on 14 April 2015 | 2:00 am

MS15-038 - Important: Vulnerabilities in Microsoft Windows Could Allow Elevation of Privilege (3049576) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (April 14, 2015): Bulletin published.Summary: This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logs on to the system and runs a specially crafted application.

Posted by on 14 April 2015 | 2:00 am

MS15-039 - Important: Vulnerability in XML Core Services Could Allow Security Feature Bypass (3046482) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (April 14, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if a user opens a specially crafted file. In all cases, however, an attacker would have no way to force users to open the specially crafted file; an attacker would have to convince users to open the file, typically by way of an enticement in an email or Instant Messenger message.

Posted by on 14 April 2015 | 2:00 am

MS15-036 - Important: Vulnerabilities in Microsoft SharePoint Server Could Allow Elevation of Privilege (3052044) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (April 14, 2015): Bulletin published.Summary: This security update resolves vulnerabilities in Microsoft Office server and productivity software. The vulnerabilities could allow elevation of privilege if an attacker sends a specially crafted request to an affected SharePoint server. An attacker who successfully exploited the vulnerabilities could read content that the attacker is not authorized to read, use the victim's identity to take actions on the SharePoint site on behalf of the victim, such as change permissions and delete content, and inject malicious content in the browser of the victim.

Posted by on 14 April 2015 | 2:00 am

MS15-037 - Important: Vulnerability in Windows Task Scheduler Could Allow Elevation of Privilege (3046269) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (April 14, 2015): Bulletin published.Summary: This security update resolves a vulnerability in Microsoft Windows. An attacker who successfully exploited the vulnerability could leverage a known invalid task to cause Task Scheduler to run a specially crafted application in the context of the System account. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Posted by on 14 April 2015 | 2:00 am

MS15-040 - Important: Vulnerability in Active Directory Federation Services Could Allow Information Disclosure (3045711) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (April 14, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Active Directory Federation Services (AD FS). The vulnerability could allow information disclosure if a user leaves their browser open after logging off from an application, and an attacker reopens the application in the browser immediately after the user has logged off.

Posted by on 14 April 2015 | 2:00 am

MS14-080 - Critical: Cumulative Security Update for Internet Explorer (3008923) - Version: 3.0

Severity Rating: CriticalRevision Note: V3.0 (April 14, 2015): To comprehensively address issues with the 3008923 security update, customers running Internet Explorer 11 on either Windows 7 or Windows Server 2008 R2 should also install the 3038314 security update released on April 14, 2015. For more information, see MS15-032 or use the following Microsoft Download Center links for your specific configuration: Internet Explorer 11 on Windows 7 for 32-bit Systems (3038314) Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 (3038314) Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (3038314).Summary: This security update resolves fourteen privately reported vulnerabilities in Internet Explorer. The most severe of these vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Posted by on 14 April 2015 | 2:00 am