Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=685 The attached Proof-of-Concept crashes Windows 7 with special pool enabled on win32k.sys. The crash is due accessing memory past the end of a buffer. Proof of Concept: https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/bin-sploits/39648.zip