VERSION
Chrome Version: 57.0.2987.21 beta (64-bit), pepflashplayer 24.0.0.221
Operating System: Windows 7 en 64-bit

REPRODUCTION CASE

Open the poc in the attachment with chrome and observe the crash.
There is also a detailed write-up about the vulnerability in the attachment.


FOR CRASHES, PLEASE INCLUDE THE FOLLOWING ADDITIONAL INFORMATION
Type of crash: tab
Crash State: 

(d80.1ac8): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
pepflashplayer!PPP_ShutdownBroker+0x1de169:
000007fe`df502969 488b4008        mov     rax,qword ptr [rax+8] ds:00000000`7ffff008=????????????????
8:127> k
Child-SP          RetAddr           Call Site
00000000`0022d678 000007fe`df530307 pepflashplayer!PPP_ShutdownBroker+0x1de169
00000000`0022d680 000007fe`df70afe2 pepflashplayer!PPP_ShutdownBroker+0x20bb07
00000000`0022d7a0 000007fe`df712c2f pepflashplayer!PPP_ShutdownBroker+0x3e67e2
00000000`0022d7f0 000007fe`df50da8a pepflashplayer!PPP_ShutdownBroker+0x3ee42f
00000000`0022dfa0 000007fe`df50eade pepflashplayer!PPP_ShutdownBroker+0x1e928a
00000000`0022e000 000007fe`df557339 pepflashplayer!PPP_ShutdownBroker+0x1ea2de
00000000`0022e2c0 000007fe`df5572e6 pepflashplayer!PPP_ShutdownBroker+0x232b39
00000000`0022e2f0 000007fe`df51d111 pepflashplayer!PPP_ShutdownBroker+0x232ae6
00000000`0022e340 000007fe`df33b75d pepflashplayer!PPP_ShutdownBroker+0x1f8911
00000000`0022e3d0 000007fe`df36127b pepflashplayer!PPP_ShutdownBroker+0x16f5d
00000000`0022e5e0 000007fe`df36118e pepflashplayer!PPP_ShutdownBroker+0x3ca7b
00000000`0022e630 000007fe`df36163c pepflashplayer!PPP_ShutdownBroker+0x3c98e
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for C:\Program Files (x86)\Google\Chrome\Application\57.0.2987.21\chrome_child.dll - 
00000000`0022e660 000007fe`d9372574 pepflashplayer!PPP_ShutdownBroker+0x3ce3c
00000000`0022e690 000007fe`d93b80d5 chrome_child!IsSandboxedProcess+0x216f4
00000000`0022e6c0 000007fe`d938cf8a chrome_child!IsSandboxedProcess+0x67255
00000000`0022e730 000007fe`d938cabc chrome_child!IsSandboxedProcess+0x3c10a
00000000`0022e760 000007fe`d938cc06 chrome_child!IsSandboxedProcess+0x3bc3c
00000000`0022e7d0 000007fe`d935df96 chrome_child!IsSandboxedProcess+0x3bd86
00000000`0022e940 000007fe`d7d123fe chrome_child!IsSandboxedProcess+0xd116
00000000`0022e970 000007fe`d7cc718c chrome_child!ovly_debug_event+0xc9fce


Credit:

Yuki Chen Of Qihoo 360 Vulcan Team