Technical Information

Brief overview of the risk:
A denial of service vulnerability exists in how the Adobe Font Driver manages memory when parsing fonts. A user who visited a specially crafted website or opened a specially crafted file could be affected by this vulnerability.

Detailed Information on the risk:

Vulnerabilities exist in the Adobe Font Driver that could allow remote code execution if a user views a specially crafted file or website. The vulnerabilities are caused when the Adobe Font Driver improperly overwrites objects in memory. The vulnerabilities could allow an attacker to run code in kernel-mode and then install programs; view, change, or delete data; or create new accounts with full administrative rights.

Further information on this exploit is available at : MS15-021

Windows Server 2003 Service Pack 2 
Windows Server 2003 x64 Edition Service Pack 2 
Windows Server 2003 with SP2 for Itanium-based Systems 
Windows Vista Service Pack 2 
Windows Vista x64 Edition Service Pack 2 
Windows Server 2008 for 32-bit Systems Service Pack 2 
Windows Server 2008 for x64-based Systems Service Pack 2 
Windows Server 2008 for Itanium-based Systems Service Pack 2 
Windows 7 for 32-bit Systems Service Pack 1 
Windows 7 for x64-based Systems Service Pack 1 
Windows Server 2008 R2 for x64-based Systems Service Pack 1 
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 
Windows 8 for 32-bit Systems 
Windows 8 for x64-based Systems 
Windows 8.1 for 32-bit Systems 
Windows 8.1 for x64-based Systems 
Windows Server 2012 and Windows Server 2012 R2
Windows Server 2012 R2 
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 
Windows Server 2012 (Server Core installation) 
Windows Server 2012 R2 (Server Core installation)