MS15-010 - Critical: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Remote Code Execution (3036220) - Version: 1.1

Severity Rating: CriticalRevision Note: V1.1 (February 18, 2015): Bulletin revised to add an Update FAQ that explains why there are two packages on the Microsoft Download Center pages for affected editions of Windows Server 2003, Windows Server 2008, and Windows Vista. The additional package (3037639) is not needed to be protected from the vulnerabilities addressed by the 3013455 update; it simply corrects a text quality problem that some customers experienced after installing the 3013455 update on the indicated systems.Summary: This security update resolves six privately reported vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker convinces a user to open a specially crafted document or to visit an untrusted website that contains embedded TrueType fonts. To exploit the vulnerability an attacker would need to convince a user to open a specially crafted document or visit an untrusted website that contains embedded TrueType Fonts.

Posted by on 18 February 2015 | 1:00 am

MS15-011 - Critical: Vulnerability in Group Policy Could Allow Remote Code Execution (3000483) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (February 10, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. A remote code execution vulnerability exists in how group policy receives and applies connection data when a domain-joined system connects to a domain controller. 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 10 February 2015 | 1:00 am

MS15-017 - Important: Vulnerability in Virtual Machine Manager Could Allow Elevation of Privilege (3035898) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (February 10, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Virtual Machine Manager (VMM). The vulnerability could allow elevation of privilege if an attacker logs on an affected system. An attacker must have valid Active Directory logon credentials and be able to log on with those credentials to exploit the vulnerability.

Posted by on 10 February 2015 | 1:00 am

MS14-083 - Important: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (3017347) - Version: 2.0

Severity Rating: ImportantRevision Note: V2.0 (February 10, 2015): Bulletin rereleased to announce the availability of an additional update package for Microsoft Excel Viewer (2920791) that addresses the vulnerabilities discussed in this bulletin. Note that the 2920791 update also addresses a vulnerability discussed in MS15-012, which is being released concurrently. Microsoft recommends that customers running Microsoft Excel Viewer apply the 2920791 update at their earliest convenience. See the Affected Software table for the download link.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 10 February 2015 | 1:00 am

MS15-012 - Important: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3032328) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (February 10, 2015): Bulletin published.Summary: This security update resolves three privately reported vulnerabilities in Microsoft Office. 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 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 10 February 2015 | 1:00 am

MS15-015 - Important: Vulnerability in Microsoft Windows Could Allow Elevation of Privilege (3031432) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (February 10, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an authenticated attacker acquires administrator credentials and runs a specially crafted application designed to increase privileges.

Posted by on 10 February 2015 | 1:00 am

MS15-013 - Important: Vulnerability in Microsoft Office Could Allow Security Feature Bypass (3033857) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (February 10, 2015): Bulletin published.Summary: This security update resolves one publicly disclosed vulnerability in Microsoft Office. The vulnerability could allow security feature bypass if a user opens a specially crafted Microsoft Office file. The security feature bypass by itself does not allow arbitrary code execution. However, an attacker could use this security feature bypass vulnerability in conjunction with another vulnerability, such as a remote code execution vulnerability, to run arbitrary code.

Posted by on 10 February 2015 | 1:00 am

MS15-016 - Important: Vulnerability in Microsoft Graphics Component Could Allow Information Disclosure (3029944) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (February 10, 2015): Bulletin published.Summary: This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow information disclosure if a user browses to a website containing a specially crafted TIFF image. This vulnerability would not allow an attacker to execute code or to elevate their user rights directly, but it could be used to obtain information that could be used to try to further compromise the affected system.

Posted by on 10 February 2015 | 1:00 am

MS15-014 - Important: Vulnerability in Group Policy Could Allow Security Feature Bypass (3004361) - Version: 1.0

Severity Rating: ImportantRevision Note: V1.0 (February 10, 2015): V1.0 (February 10, 2015): Bulletin published.Summary: Bulletin published.

Posted by on 10 February 2015 | 1:00 am

MS15-009 - Critical: Security Update for Internet Explorer (3034682) - Version: 1.0

Severity Rating: CriticalRevision Note: V1.0 (February 10, 2015): Bulletin published.Summary: This security update resolves one publicly disclosed and forty 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 10 February 2015 | 1:00 am

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

MS15-008 - 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

MS15-003 - 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

MS14-080 - 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

MS15-002 - 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

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

MS15-004 - 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

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