2011 年 10 月：マイクロソフト　定例セキュリティ更新プログラム情報

Microsoft addresses the following vulnerabilities in its October batch of patches:

• (MS11-075) Vulnerability in Microsoft Active Accessibility Could Allow Remote Code Execution (2623699)
  Risk Rating: Important
  
  This update resolves a privately reported vulnerability in the Microsoft Active Accessibility component. The vulnerability could allow remote code execution if an attacker convinces a user to open a legitimate file that is located in the same network directory as a specially crafted dynamic link library (.DLL) file. Read more here.



• (MS11-076) Vulnerability in Windows Media Center Could Allow Remote Code Execution (2604926)
  Risk Rating: Important
  
  This update resolves a publicly disclosed vulnerability in Windows Media Center. The vulnerability could allow remote code execution if an attacker convinces a user to open a legitimate file that is located in the same network directory as a specially crafted dynamic link library (.DLL) file. Read more here.



• (MS11-077) Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2567053)
  Risk Rating: Important
  
  This update resolves four privately reported vulnerabilities in Microsoft Windows. The most severe of these vulnerabilities could allow remote code execution if a user opens a specially crafted font file (such as a .fon file) in a network share, a UNC or WebDAV location, or an e-mail attachment. Read more here.



• (MS11-078) Vulnerability in .NET Framework and Microsoft Silverlight Could Allow Remote Code Execution (2604930)
  Risk Rating: Critical
  
  This update resolves a privately reported vulnerability in Microsoft .NET Framework and Microsoft Silverlight. The vulnerability could allow remote code execution on a client system if a user views a specially crafted Web page using a Web browser that can run XAML Browser Applications (XBAPs) or Silverlight applications. Read more here.



• (MS11-079) Vulnerabilities in Microsoft Forefront Unified Access Gateway Could Cause Remote Code Execution (2544641)
  Risk Rating: Important
  
  This update resolves five privately reported vulnerabilities in Microsoft Forefront Unified Access Gateway (UAG). The most severe of these vulnerabilities could allow remote code execution if a user visits an affected website using a specially crafted URL. Read more here.



• (MS11-080) Vulnerability in Ancillary Function Driver Could Allow Elevation of Privilege (2592799)
  Risk Rating: Important
  
  This update resolves a privately reported vulnerability in the Microsoft Windows Ancillary Function Driver (AFD). The vulnerability could allow elevation of privilege if an attacker logs on to a user's system and runs a specially crafted application. Read more here.



• (MS11-081) Cumulative Security Update for Internet Explorer (2586448)
  Risk Rating: Critical
  
  This update resolves eight privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. Read more here.



• (MS11-082) Vulnerabilities in Host Integration Server Could Allow Denial of Service (2607670)
  Risk Rating: Important
  
  This security update resolves two publicly disclosed vulnerabilities in Host Integration Server. The vulnerabilities could allow denial of service if a remote attacker sends specially crafted network packets to a Host Integration Server listening on UDP port 1478 or TCP ports 1477 and 1478. Read more here.