MS15-006 - Important: Vulnerability in Windows Error Reporting Could Allow Security Feature Bypass (3004365) - Version: 1.1

Severity Rating: ImportantRevision Note: V1.1 (January 21, 2015): Bulletin revised to correct Server Core installation entries in the Affected Software and Severity Ratings tables. This is an informational change only. Customers who have already successfully installed the update do not have to take any action.Summary: This security update resolves a privately reported vulnerability in Windows Error Reporting (WER). The vulnerability could allow security feature bypass if successfully exploited by an attacker. An attacker who successfully exploited this vulnerability could gain access to the memory of a running process. 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 21 January 2015 | 1:00 am

MS15-004 - Important: Vulnerability in Windows Components Could Allow Elevation of Privilege (3025421) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (January 13, 2015): V1.0 (January 13, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker convinces a user to run a specially crafted application. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Customers 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 13 January 2015 | 1:00 am

MS15-007 - Important: Vulnerability in Network Policy Server RADIUS Implementation Could Cause Denial of Service (3014029) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (January 13, 2015): Bulletin publishedSummary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow denial of service on an Internet Authentication Service (IAS) or Network Policy Server (NPS) if an attacker sends specially crafted username strings to the IAS or NPS. Note that the denial of service vulnerability would not allow an attacker to execute code or to elevate user rights; however, it could prevent RADIUS authentication on the IAS or NPS.

Posted by on 13 January 2015 | 1:00 am

MS15-008 - Important: Vulnerability in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (3019215) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (January 13, 2015): Bulletin published.Summary: This security update resolves one privately reported vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker runs a specially crafted application on an affected system. An attacker must have valid logon credentials and be able to log on locally to exploit the vulnerability.

Posted by on 13 January 2015 | 1:00 am

MS15-002 - Critical: Vulnerability in Windows Telnet Service Could Allow Remote Code Execution (3020393) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (January 13, 2015): V1.0 (January 13, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if an attacker sends specially crafted packets to an affected Windows server. Only customers who enable this service are vulnerable. By default, Telnet is installed but not enabled on Windows Server 2003. Telnet is not installed by default on Windows Vista and later operating systems.

Posted by on 13 January 2015 | 1:00 am

MS14-080 - Critical: Cumulative Security Update for Internet Explorer (3008923) - Version: 2.0

Severity Rating: CriticalRevision Note: V2.0 (January 13, 2015): To address issues with Security Update 3008923, Microsoft re-released MS14-080 to comprehensively address CVE-2014-6363. In addition to installing update 3008923, customers running Internet Explorer 10 on Windows 8, Windows Server 2012, or Window RT should also install update 3029449, which has been added with this rerelease. Customers who have already successfully installed the 3008923 update, which has not changed since its original release, do not need to reinstall it. See Microsoft Knowledge Base Article 3008923 for more information.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 13 January 2015 | 1:00 am

MS15-001 - Important: Vulnerability in Windows Application Compatibility Cache Could Allow Elevation of Privilege (3023266) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (January 13, 2015): V1.0 (January 13, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker logs on to a system and runs a specially crafted application. An authenticated attacker who successfully exploited this vulnerability could bypass existing permission checks that are performed during cache modification in the Microsoft Windows Application Compatibility component and execute arbitrary code with elevated privileges.

Posted by on 13 January 2015 | 1:00 am

MS15-003 - Important: Vulnerability in Windows User Profile Service Could Allow Elevation of Privilege (3021674) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (January 13, 2015): V1.0 (January 13, 2015): Bulletin published.Summary: This security update resolves a publicly disclosed vulnerability in the Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker logs on to the system and runs a specially crafted application. A local attacker who successfully exploited this vulnerability could run arbitrary code on a target system with elevated privileges. An attacker must have valid logon credentials and be able to log on locally to exploit the vulnerability.

Posted by on 13 January 2015 | 1:00 am

MS15-005 - Important: Vulnerability in Network Location Awareness Service Could Allow Security Feature Bypass (3022777) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (January 13, 2015): V1.0 (January 13, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass by unintentionally relaxing the firewall policy and/or configuration of certain services when an attacker on the same network as the victim spoofs responses to DNS and LDAP traffic initiated by the victim.

Posted by on 13 January 2015 | 1:00 am

MS14-051 - Critical: Cumulative Security Update for Internet Explorer (2976627) - Version: 1.2

Severity Rating: CriticalRevision Note: V1.2 (December 19, 2014): Corrected the severity table and vulnerability information to add CVE-2014-6354 as a vulnerability addressed by this update. This is an informational change only. Customers who have already successfully installed the update do not have to take any action.Summary: This security update resolves one publicly disclosed and twenty-five 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 19 December 2014 | 1:00 am

MS14-082 - Important: Vulnerability in Microsoft Office Could Allow Remote Code Execution (3017349) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (December 19, 2014): Bulletin published.Summary: This security update resolves one privately reported vulnerability in Microsoft Office. The vulnerability could allow remote code execution if a specially crafted file is opened in an affected edition of Microsoft Office. An attacker who successfully exploited this vulnerability 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 19 December 2014 | 1:00 am

MS14-076 - Important: Vulnerability in Internet Information Services (IIS) Could Allow Security Feature Bypass (2982998) - Version: 1.1

Severity Rating: ImportantRevision Note: V1.1 (December 19, 2014): Bulletin revised to include Windows 2012 Server Core installation and Windows 2012 R2 Server Core installation as affected software.Summary: This security update resolves a privately reported vulnerability in Internet Microsoft Information Services (IIS) that could lead to a bypass of the "IP and domain restrictions" security feature. Successful exploitation of this vulnerability could result in clients from restricted or blocked domains having access to restricted web resources.

Posted by on 19 December 2014 | 1:00 am

MS14-052 - Critical: Cumulative Security Update for Internet Explorer (2977629) - Version: 1.1

Severity Rating: CriticalRevision Note: V1.1 (December 19, 2014): Revised bulletin to change the Known Issues entry in the Knowledge Base Article section from "None" to "Yes". Corrected mitigations and workarounds for the Internet Explorer Resource Information Disclosure Vulnerability (CVE-2013-7331).Summary: This security update resolves one publicly disclosed and thirty-six 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 19 December 2014 | 1:00 am

MS14-075 - Important: Vulnerabilities in Microsoft Exchange Server Could Allow Elevation of Privilege (3009712) - Version: 3.0

Severity Rating: ImportantRevision Note: V3.0 (December 12, 2014): Rereleased bulletin to announce the reoffering of Microsoft security update 2986475 for Microsoft Exchange Server 2010 Service Pack 3. The rereleased update addresses a known issue in the original offering. Customers who uninstalled the original update should install the updated version of 2986475 at the earliest opportunity.Summary: This security update resolves four privately reported vulnerabilities in Microsoft Exchange Server. The most severe of these vulnerabilities could allow elevation of privilege if a user clicks a specially crafted URL that takes them to a targeted Outlook Web App site. An attacker would have no way to force users to visit a specially crafted website. Instead, an attacker would have to convince them to visit the website, typically by getting them to click a link in an email message or Instant Messenger message that takes them to the attacker's website, and then convince them to click the specially crafted URL.

Posted by on 12 December 2014 | 1:00 am

MS14-057 - Critical: Vulnerabilities in .NET Framework Could Allow Remote Code Execution (3000414) - Version: 1.1

Severity Rating: CriticalRevision Note: V1.1 (December 10, 2014): Bulletin revised to correct update replacement entries for Microsoft .NET Framework 4.5/4.5.1/4.5.2 (update 2972107)Summary: This security update resolves three privately reported vulnerabilities in Microsoft .NET Framework. The most severe of the vulnerabilities could allow remote code execution if an attacker sends a specially crafted URI request containing international characters to a .NET web application, causing ASP.NET to generate incorrectly constructed URIs. In .NET 4.0 applications, the vulnerable functionality (iriParsing) is disabled by default; for the vulnerability to be exploitable an application has to explicitly enable this functionality. In .NET 4.5 applications, iriParsing is enabled by default and cannot be disabled.

Posted by on 10 December 2014 | 1:00 am

MS14-083 - Important: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (3017347) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (December 9, 2014): Bulletin published.Summary: This security update resolves two privately reported vulnerabilities in Microsoft Excel. The vulnerabilities could allow remote code execution if an attacker convinces a user to open or preview a specially crafted Microsoft Excel file in an affected version of Microsoft Office software. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Customers 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 9 December 2014 | 1:00 am

MS14-081 - Critical: Vulnerabilities in Microsoft Word and Microsoft Office Web Apps Could Allow Remote Code Execution (3017301) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (December 9, 2014): Bulletin published.Summary: This security update resolves two privately reported vulnerabilities in Microsoft Word and Microsoft Office Web Apps. The vulnerabilities could allow remote code execution if an attacker convinces a user to open or preview a specially crafted Microsoft Word file in an affected version of Microsoft Office software. An attacker who successfully exploited the vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Customers 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 9 December 2014 | 1:00 am

MS14-065 - Critical: Cumulative Security Update for Internet Explorer (3003057) - Version: 2.0

Severity Rating: CriticalRevision Note: V2.0 (December 9, 2014): To address issues with Security Update 3003057, Microsoft re-released MS14-065 to comprehensively address CVE-2014-6353. Customers running Internet Explorer 8 on Windows 7 or Windows Server 2008 R2, or Internet Explorer 10 should either install the newly offered update or install the December Internet Explorer Cumulative Update (3008923). See Microsoft Knowledge Base Article 3003057 for more information.Summary: This security update resolves seventeen 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 9 December 2014 | 1:00 am

MS14-066 - Critical: Vulnerability in Schannel Could Allow Remote Code Execution (2992611) - Version: 3.0

Severity Rating: CriticalRevision Note: V3.0 (December 9, 2014): Bulletin revised to announce the reoffering of the 2992611 update to systems running Windows Vista and Windows Server 2008. The reoffering addresses an issue in the original release. Customers running Windows Vista or Windows Server 2008 who installed the 2992611 update prior to the December 9 reoffering should reapply the update. See Microsoft Knowledge Base Article 2992611 for more information. Summary: This security update resolves a privately reported vulnerability in the Microsoft Secure Channel (Schannel) security package in Windows. The vulnerability could allow remote code execution if an attacker sends specially crafted packets to a Windows server.

Posted by on 9 December 2014 | 1:00 am

MS14-084 - Critical: Vulnerability in VBScript Scripting Engine Could Allow Remote Code Execution (3016711) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (December 9, 2014): Bulletin published.Summary: This security update resolves a privately reported vulnerability in the VBScript scripting engine in Microsoft Windows. The vulnerability could allow remote code execution if a user visits a specially crafted website. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

Posted by on 9 December 2014 | 1:00 am

MS14-085 - Important: Vulnerability in Microsoft Graphics Component Could Allow Information Disclosure (3013126) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (December 9, 2014): Bulletin published.Summary: This security update resolves a publicly disclosed vulnerability in Microsoft Windows. The vulnerability could allow information disclosure if a user browses to a website containing specially crafted JPEG content. An attacker could use this information disclosure vulnerability to gain information about the system that could then be combined with other attacks to compromise the system. The information disclosure vulnerability by itself does not allow arbitrary code execution. However, an attacker could use this information disclosure vulnerability in conjunction with another vulnerability to bypass security features such as Address Space Layout Randomization (ASLR).

Posted by on 9 December 2014 | 1:00 am

MS14-068 - Critical: Vulnerability in Kerberos Could Allow Elevation of Privilege (3011780) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (November 18, 2014): Bulletin publishedSummary: This security update resolves a privately reported vulnerability in Microsoft Windows Kerberos KDC that could allow an attacker to elevate unprivileged domain user account privileges to those of the domain administrator account. An attacker could use these elevated privileges to compromise any computer in the domain, including domain controllers. An attacker must have valid domain credentials to exploit this vulnerability. The affected component is available remotely to users who have standard user accounts with domain credentials; this is not the case for users with local account credentials only. When this security bulletin was issued, Microsoft was aware of limited, targeted attacks that attempt to exploit this vulnerability.

Posted by on 18 November 2014 | 1:00 am

MS14-074 - Important: Vulnerability in Remote Desktop Protocol Could Allow Security Feature Bypass (3003743) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (November 11, 2014): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass when Remote Desktop Protocol (RDP) fails to properly log audit events. By default, RDP is not enabled on any Windows operating system. Systems that do not have RDP enabled are not at risk.

Posted by on 11 November 2014 | 1:00 am

MS14-064 - Critical: Vulnerabilities in Windows OLE Could Allow Remote Code Execution (3011443) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (November 11, 2014): Bulletin published.Summary: This security update resolves two privately reported vulnerabilities in Microsoft Windows Object Linking and Embedding (OLE). The vulnerabilities could allow remote code execution if a user opens a Microsoft Office file that contains a specially crafted OLE object. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Customers 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 11 November 2014 | 1:00 am

MS14-067 - Critical: Vulnerability in XML Core Services Could Allow Remote Code Execution (2993958) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (November 11, 2014): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a logged-on user visits a specially crafted website that is designed to invoke Microsoft XML Core Services (MSXML) through Internet Explorer. In all cases, however, an attacker would have no way to force users to visit such websites. Instead, an attacker would have to convince users to visit a website, typically by getting them to click a link in an email message or in an Instant Messenger request that takes users to the attacker's website.

Posted by on 11 November 2014 | 1:00 am