Latest Security Advisories & Notable Vulnerabilities

• (MS15-056) Cumulative Security Update for Internet Explorer (3058515)
  Risk Rating: Critical
  
  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.



• (MS15-057) Vulnerability in Windows Media Player Could Allow Remote Code Execution (3033890)
  Risk Rating: Critical
  
  This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if Windows Media Player opens specially crafted media content that is hosted on a malicious website.



• (MS15-059) Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3064949)
  Risk Rating: Important
  
  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. 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.



• (MS15-060) Vulnerability in Microsoft Common Controls Could Allow Remote Code Execution (3059317)
  Risk Rating: Important
  
  This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow remote code execution if a user clicks a specially crafted link, or a link to specially crafted content, and then invokes F12 Developer Tools in Internet Explorer.



• (MS15-061) Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (3057839)
  Risk Rating: Important
  
  This security update resolves vulnerabilities in Microsoft Windows. The most severe of these vulnerabilities could allow elevation of privilege if an attacker logs on to the system and runs a specially crafted application in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.



• (MS15-062) Vulnerability in Active Directory Federation Services Could Allow Elevation of Privilege (3062577)
  Risk Rating: Important
  
  This security update resolves a vulnerability in Microsoft Active Directory Federation Services (AD FS). The vulnerability could allow elevation of privilege if an attacker submits a specially crafted URL to a target site. Due to the vulnerability, in specific situations specially crafted script is not properly sanitized, which subsequently could lead to an attacker-supplied script being run in the security context of a user who views the malicious content.



• (MS15-063) Vulnerability in Windows Kernel Could Allow Elevation of Privilege (3063858)
  Risk Rating: Important
  
  This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker places a malicious .dll file in a local directory on the machine or on a network share.



• (MS15-064) Vulnerabilities in Microsoft Exchange Server Could Allow Elevation of Privilege (3062157)
  Risk Rating: Important
  
  This security update resolves vulnerabilities in Microsoft Exchange Server. The most severe of the vulnerabilities could allow elevation of privilege if an authenticated user clicks a link to a specially crafted webpage.

• (MS15-043) Cumulative Security Update for Internet Explorer (3049563)
  Risk Rating: Critical
  
  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.



• (MS15-044) Vulnerabilities in Microsoft Font Drivers Could Allow Remote Code Execution (3057110)
  Risk Rating: Critical
  
  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.



• (MS15-045) Vulnerability in Windows Journal Could Allow Remote Code Execution (3046002)
  Risk Rating: Critical
  
  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.



• (MS15-046) Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3057181)
  Risk Rating: Important
  
  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.



• (MS15-047) Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (3058083)
  Risk Rating: Important
  
  This security update resolves vulnerabilities in Microsoft Office server software. The vulnerabilities could allow remote code execution if an authenticated attacker sends specially crafted page content to a SharePoint server.



• (MS15-048) Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3057134)
  Risk Rating: Important
  
  This security update resolves vulnerabilities in Microsoft .NET Framework. The most severe of the vulnerabilities could allow elevation of privilege if a user installs a specially crafted partial trust application.



• (MS15-049) Vulnerability in Silverlight Could Allow Elevation of Privilege (3058985)
  Risk Rating: Important
  
  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.



• (MS15-050) Vulnerability in Service Control Manager Could Allow Elevation of Privilege (3055642)
  Risk Rating: Important
  
  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 first logs on to the system and then runs a specially crafted application designed to increase privileges.



• (MS15-051) Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (3057191)
  Risk Rating: Important
  
  This security update resolves vulnerabilities in Microsoft Windows. The more severe of these vulnerabilities could allow elevation of privilege if an attacker logs on locally and runs arbitrary code in kernel mode.



• (MS15-052) Vulnerability in Windows Kernel Could Allow Security Feature Bypass (3050514)
  Risk Rating: Important
  
  This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if an attacker logs on to an affected system and runs a specially crafted application.



• (MS15-053) Vulnerabilities in JScript and VBScript Scripting Engines Could Allow Security Feature Bypass (3057263)
  Risk Rating: Important
  
  This security update resolves ASLR security feature bypasses in the JScript and VBScript scripting engines in Microsoft Windows. An attacker could use one of these ASLR bypasses in conjunction with another vulnerability, such as a remote code execution vulnerability, to more reliably run arbitrary code on a target system.



• (MS15-054) Vulnerability in Microsoft Management Console File Format Could Allow Denial of Service (3051768)
  Risk Rating: Important
  
  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.



• (MS15-055) Vulnerability in Schannel Could Allow Information Disclosure (3061518)
  Risk Rating: Important
  
  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 (DFE) 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.

This Adobe Flash vulnerability is used by Angler Exploit Kit as a starting point in the infection chain that spreads a Point-of-Sale (PoS) malware reconnaissance. Trend Micro detects this PoS malware as TROJ_RECOLOAD.A. that checks if the infected system is a PoS machine or part of the PoS network.

• (MS15-032) Cumulative Security Update for Internet Explorer (3038314) )
  Risk Rating: Critical
  
  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.



• (MS15-033) Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3048019)
  Risk Rating: Critical
  
  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.



• (MS15-034) Vulnerability in HTTP.sys Could Allow Remote Code Execution (3042553)
  Risk Rating: Critical
  
  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.



• (MS15-035) Vulnerability in Microsoft Graphics Component Could Allow Remote Code Execution (3046306)
  Risk Rating: Critical
  
  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.



• (MS15-036) Vulnerabilities in Microsoft SharePoint Server Could Allow Elevation of Privilege (3052044)
  Risk Rating: Important
  
  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.



• (MS15-037) Vulnerability in Windows Task Scheduler Could Allow Elevation of Privilege (3046269)
  Risk Rating: Important
  
  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.



• (MS15-038) Vulnerabilities in Microsoft Windows Could Allow Elevation of Privilege (3049576)
  Risk Rating: Important
  
  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. To exploit these vulnerabilities, an attacker would first have to log on to the system.



• (MS15-039) Vulnerability in XML Core Services Could Allow Security Feature Bypass (3046482)
  Risk Rating: Important
  
  This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow security feature bypass if a user clicks a specially crafted link.



• (MS15-040) Vulnerability in Active Directory Federation Services Could Allow Information Disclosure (3045711)
  Risk Rating: Important
  
  This security update resolves a 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.



• (MS15-041) Vulnerability in .NET Framework Could Allow Information Disclosure (3048010)
  Risk Rating: Important
  
  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.



• (MS15-042) Vulnerability in Windows Hyper-V Could Allow Denial of Service (3047234)
  Risk Rating: Important
  
  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.