Microsoft Windows Kernel - Use-After-Free with Cursor Object (MS15-097)

                							

                Source: https://code.google.com/p/google-security-research/issues/detail?id=457

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The attached testcase crashes Win 7 with Special Pool enabled while accessing the freed global cursor object (_gpqCursor​). See poc.cpp for instructions on how to compile and run.

Proof of Concept:
https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/38278.zip