All you have to do is add an option to your Visual Studio 2015 project, and the compiler and linker will enable CFG. In most cases, there is no need to change source code. Furthermore, CFG enabled code works fine on "CFG-Unaware" versions of Windows and is therefore fully compatible with them. But failing to enable CFG for all code can open gaps in the protection. You don't have to enable CFG for every part of your code, as a mixture of CFG enabled and non-CFG enabled code will execute fine. We strongly encourage developers to enable CFG for their applications. This feature is available in Microsoft Visual Studio 2015, and runs on "CFG-Aware" versions of Windows-the x86 and 圆4 releases for Desktop and Server of Windows 10 and Windows 8.1 Update (KB3000850). Make it harder to exploit arbitrary code through vulnerabilities such as buffer overflows.Restrict the capabilities of the server to whatever is needed at a particular point in time to reduce attack surface.Prevent memory corruption and ransomware attacks.CFG extends previous exploit mitigation technologies such as /GS, DEP, and ASLR. By placing tight restrictions on where an application can execute code from, it makes it much harder for exploits to execute arbitrary code through vulnerabilities such as buffer overflows. Feedback In this article What is Control Flow Guard?Ĭontrol Flow Guard (CFG) is a highly-optimized platform security feature that was created to combat memory corruption vulnerabilities.
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